Kathy pays $2.63 in postage to mail a CD to a friend. She uses 40 cent stamps and 7 cent stamps . How many of each stamp did Kathy use ?

Q: A man has 26 coins in his pocket, all of which are dimes and quarters. If the total value of his…

A: To find the number of dimes and quarters

Q: My mom's friend bought cookbooks and travel books at a book sale. She spent $21 and bought 6 books.…

A:

Q: Kendra has $7.15 in nickels and quarters. If she has 13 more quarters than nickels, how many of each…

A:

Q: Alex, Bob, and Cindy are ranchers. Alex and Bob together have 870 acres while Alex and Cindy…

A: Alex has 476 acres .Bob has 394 acres and Cindy has 503 acres.

Q: Daniel had some sweets and lollipops. He had 8 times as many sweets as lollipops. He gave away 40…

A: Let the number of sweets he had initially=x  Let the number of lollipops he had initially =y…

Q: n a fishing derby, Jimmy caught six more trout than his sister Kelly. How many fish did each person…

A: Given that Jimmy caught six more trout than his sister Kelly.

Q: how much does a pound of chocolates cost?

A: We need to find the cost of a pound of chocolates

Q: Tickets for a high school play cost $12.50 for adults and $6.25 for students.  If all  200 seats in…

A: Given that Tickets for a high school play cost $12.50 for adults and $6.25 for students.  If all…

Q: Sue has $2.50 in dimes and nickels. If she has 10 more dimes as nickels, how many of each coin does…

A:

Q: How many outfits could you make if you had 6 pants, 7 shirts, and 4 pairs of shoes to choose from?

A: We know that for making a outfit we need 1 pant form 6, 1 shirt from 7 and 1 pair of shoes from 4…

Q: ou mix 0.25 cup of juice concentrate for every 2 cups of water to make 18 cups of juice. How much…

A: Given Data : 0.25 cup of juice concentrate for every 2 cups of water to make 18 cups of juice…

Q: Corrine’s chocolate cake recipe calls for 1 3/4cups of flour. She has a 5 pound bag of flour, and…

A: Given that one chocolate cake needs 134 cups of flour. Note that, 134=1×4+34=74. Corrine has a 5…

Q: A recipe calls for 4 cups of flour and 2 cups of sugar. How many cups of sugar are used for each cup…

A: It can be solved by using per unit concept or unit by unit marking

Q: Ken joined a health class at a cost of 180 plus an additional 12% for a vip membership and exercise…

A: Solution:

Q: there is a flock of sheep and a flock of geese in the meadow. The number of heads of these animals…

A:

Q: Pete is paid 50 cents a day to take out the trash and feed the dog . How much will he earn in four…

A: Given:-Pete is paid 50 cents a dayWe have to find what he earn's in four weeks.

Q: If Laura has 3 more quarters than nickels and they have a combined value of 255 cents, how many of…

A:

Q: jack has $24 in one dollar and five dollar bills he has a total of 8 bills . How many of each bills…

A: Given, Jack has total =24$ He has one And five dollar Bill's Total no of Bill's are 8.

Q: Hattie had $5100 to invest and wants to earn 3.3% interest per year. She will put some of the money…

A:

Q: Roy is making a snack mix that contains only pretzels and nuts. For every ounce of nuts, he will use…

A: Given that: For every ounces of nut Roy uses 3 ounces of pretzels.

Q: If Julio has 14 quarters and nickels in his pocket, and they have a combined value of 230 cents, how…

A: Given, Julio has  14 quarters and nickels in his pocket.  combined value of quarters and nickels is…

Q: A recipe calls for 4 eggs for every cup of flour.  If I am using 12 eggs, how many cups of flour…

A:

Q: 3. Tom had as many stamps as Michael. After Michael gave away of his stamps, Tom had 40 more stamps…

A: First we will form the equations corresponding to the given statements then we will find the…

Q: A recipe calls for 2 ¼ cups of flour to make one batch of cookies. How many cups of flour will…

A: The number of cups of flour to make 1 batch of cookies=2 1/4 cups=(4*2+1)/4 cups=9/4 cups. So, the…

Q: Michael breeds chickens and ducks. Last month, he sold 50 chickens and 30 ducks for $550. This…

A: We can convert mathematical statements to mathematical equations by taking suitable unknown…

Q: After cleaning a sack of potatoes, you have 40 pounds of clean potatoes. If this represents 80% of…

A:

Q: A student spent $49 on folders and notebooks. Folders cost $2 each and notebooks cost $5 each. If…

A: I am going to solve the given problem by using some simple calculus to get the required result.

Q: Quinn picked 416 apples, she puts the apples into baskets containing 8 apples each. Quinn sells the…

A: Quinn picked 416 apples she puts the apples into baskets contaning 8 apples each. Quinn sell each…

Q: Eric sold 5 hogs for P24,345. If for each hog, he spent approximately P2,150 for foods, medicine,…

A:

Q: Jim has $530 in his savings account and adds $11 per week. At the same time, Rhonda has $210 in her…

A: Given Jim has $530 in his savings account and adds $11 per week. At the same time, Rhonda has $210…

Q: Liza's cat had six kittens! When Liza and her brother weighed all the kittens together, they weighed…

A:

Q: Iowa farmer Sparks has 65% octane Ethanol that he wants to mix with 95% octane gasoline to fill his…

A: Let us assume that, the farmer has x gallons of 65% Ethanol and y gallons of 95% gasoline. The…

Q: Daisy has a desk full of quarter and nickels. If she has a total of 23 coins with a total face value…

A:

Q: If Laura has 3 more quarters than nickels and they have a combined value of 255 cents, how many of…

A:

Q: How many outfits could you make if you had 6 pants, 7 shirtsand 4 pairs of shoes to choose from?

A: Given he had 6 pants, 7 shirts and 4 pairs of shoesHe can chose 1 from the 6 pants and 1 from the 7…

Q: Bobby's Bike shack order tires each week for its two-wheel and three-wheel bikes. They order tires…

A: Given:Total bikes (2-wheeler and 3-wheeler) = 47 bikesTotal number of tires = 122 tires

Q: Matthew went shopping and bought 2 pairs of pants and one pair of shoes for $92. Michael went…

A:

Q: Daniel had some sweets and lollipops. He had 8 times as many sweets as lollipops. He gave away 30…

A: First movie first we will form the equations based on the given statements then we will find our…

Q: scored 35 points from 2-pointers and 3-pointers.  Her father in the stands remarked that she made…

A: Given query is to find  number of 2 pointers and 3 pointers scored .

Q: An eye doctor charges an exam fee, plus a charge for the number of boxes of contact lenses…

A: Exam fee of doctor = $ 32.99

Q: Mr. Akika has 51 20-cent and 28-cent stamps all told. The stamps are worth $12.84. How many of each…

A:

Q: how many eggs did she start with?

A: Answer and explanation is given below

Q: Dante has 27 coins that are all dimes and quarters.  The value of the coins is $4.35.  How many…

A: Let dimes be x, Let quarters be y, Thus, x+y=27........1 Since the value of coins is $4.35, Then,…

Q: john, sarah, tom and joan bought 2 pizzas of the same size. john ate 2/4 of a pizza. tom, sarah, and…

A: Each of tom, Sarah and Joan ate 1/4 pizza. So they ate (1/4 + 1/4 + 1/4)=3/4 pizza altogether. John…

Q: A cleaning solution can be made by mixing 2 cups of bleach with 5 gallons of water. How many cups of…

A: The solution is :

Q: It takes 6.9 GB (Gigabytes) to download a 10-minute high definition video. If Kris wants to download…

A: Let x GB is required to download a y-minute video. Hence, applying the unitary method, it can be…

Q: A chemist has 50 gallons of gasoline that contain 6% ethanol. How many gallons of gasoline…

A: Please refer the attached image for complete solution.

Q: A man has 29 coins in his pocket, all of which are dimes and quarters. If the total value of his…

A:

Q: 600 persons assisted to the presentation of a horror movie. The cost of the tickets for an adult was…

A: GivenTotal persons = 600The cost of the ticket for an adult x =$ 5The cost of the ticket for an…

Q: A cleaning company used cup of bleach for every 2 gallons of water for its cleaning solution. If the…

A:

Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.