Mary earns $28,000 a year. One week she grossed $658.00. She had sold $1673.19 worth of merchandise. What is the rate of her commission?

Q: If eggs 6 costs R15. How much will she pay for 2 Eggs

A: Given Cost of 6 eggs is Rs 15

Q: A man travelled by car for 3 days. He covered 480 miles each day. On the first day he drove for 10…

A: Solution is given:

Q: Per capita spending on chocolate in country A during 2011 was $20 less than twice the per capita…

A: Let the per capita spending on chocolate during 2011 for country B was $x the per capita spending on…

Q: A high-protein diet supplement that costs R6.75 per kg is mixed with a vitamin supplement that costs…

A: Assume that we need x kgs of high protein supplement. Then by using the given data form a linear…

Q: A water tank holds 702 gallons but is leaking at a rate of 4 gallons per week. A second water tank…

A: 1 tank holds 702 gallons and leaking at a rate 4 gallon  2 tank holds 936 gallons and leaking at a…

Q: Kelsey purchsed a rental property for $60,000. Kelsey wants to rent the property out for $900 a…

A: We are given, Kelsey purchsed a rental property for $60,000. Kelsey wants to rent the property out…

Q: A man invests his savings in two accounts, one paying 6 percent and the other paying 10 percent…

A:

Q: Mariana's salary is $31,000. Juan's salary is $28,000. At the end of each year, Mariana gets a $500…

A: We can find the answer as below

Q: population in 1994 was about 5.63 billion, growing at a rate of 2% annually; What is the population…

A: Please refer to the image below

Q: On a bicycle, Erin rides for 8 hours and is 50 miles from her house. After riding for 10 hours, she…

A:

Q: $70 per hour. When will the two drivers charge the same amount of money? to $80 per hour. Driver B…

A:

Q: Rico bought a bouquet of red roses and a box of chocolate for his girlfriend. Rico spent 1,260 in…

A:

Q: On a bicycle, Naomi rides for 2 hours and is 12 miles from her house. After riding for 10 hours, she…

A:

Q: You travel a toll road that requires a 70​-cent token. If you buy a special​ car-pool sticker for…

A:

Q: A man sells an article at a profit of 25%  if he had brought it at 20% less and sold it for $10.50…

A:

Q: The manager of the store that specializes in selling tea decides to experiment with a new blend.…

A: Let the amount of Earl grey tea be x pound . As it is sold at the rate $4/pound so total selling…

Q: Allison is 29 years old and her monthly after-tax salary is $3800. She spends an average of $260 per…

A: Given: Monthly salary of Allison is $3800 The national average, on entertainment spending is 5% of…

Q: A camel can drink 13 gallons of water in 10 minutes. At this rate, how much water can the camel…

A:

Q: A man invests his savings in two accounts, one paying 6 percent and the other paying 10 percent…

A:

Q: TravelEz sells dollars at a rate of ($1.40)/(1 euro) and buys dollars at a rate of ($1.80)/(1 euro).…

A: TravelEz sells 1.40 dollars for 1 euro. At the end of the trip, Sophie exchanged 40 euros to…

Q: The profit made by a business in 2018 was double that made in 2019. The profit made in 2017 was R 3…

A: The objective here is to find the profit made in 2017. profit made in 2018=2×the profit made in…

Q: Jolene invests her savings in two bank accounts, one paying 5 percent and the other paying 11…

A:

Q: Thirty percent of a 1.5-liter bottle of gin is remaining. The bottle cost $19.50. What is the value…

A: Here we have 30% gin is remaining in 1.5 lit bottle. Now,  In 100%, the bottle capacity is 1.5 lit…

Q: The tuition cost for part-time students taking C credits at Stonewell college is 250 + 150c dollars.…

A:

Q: Marilyn and Vanessa earn service points for every hour they volunteer at the local library. Marilyn…

A: Given  Marilyn has earned = 330 points  which is 165% of the number of points that  vanessa has…

Q: The average yearly salary of a lawyer is $26 thousand less than twice that of an architect.…

A:

Q: The selling price for a classic speedboat is $14,000. What was the speedboat’s original price if…

A:

Q: Jill drives at a rate of 60 miles per hour for 300 miles. If she plans to drive a total of 480 miles…

A: Explained below

Q: A man sells an article at a profit of 25%. if he had bought it at 20% less  and sold it for $10.50…

A:

Q: The monthly rent of a 80 square meter apartment in Monte Carlo is 1150 euros. The monthly rent on a…

A: Consider that apartment in monte carlo cost 1150Euros for each 80m2.If apartment in Santa Fe, New…

Q: The price of a cellphone was discounted by 15% and then discounted an additional 20%, to be sold at…

A: the answer is option A    explanation is given below

Q: Karen decided to put her money into two investments. She deposited an amount in an investment paying…

A:

Q: Jacqueline rides her bicycle for 2 hours and is 14 miles from her house. After riding for 5 hours,…

A:

Q: man drove 240 miles south at the rate of 60 miles per hour. On the return trip, he drove the rate of…

A: Given is A man drove 240 miles south at the rate of 60 miles per hour. On the return trip, he drove…

Q: If you drive for 7 hours and travel 385 miles, what is your rate

A: Solution

Q: A truck traveled at an average speed of 60 miles per hour for 5 hours and had a fuel consumption…

A: Given that Average speed of truck is 60 miles per hour trip duration is 5 hours fuel consumption…

Q: A car sales agent sold a car for P280,000 and he received a commission of P35,000. His rate of…

A:

Q: On a bicycle, Christy rides for 8 hours and is 82 miles from her house. After riding for 11 hours,…

A:

Q: Sarah Meehan blends coffee for tasti-delight. She needs to prepare 160 pounds of blended coffee…

A:

Q: The selling price of a refrigerator, is $750.00. If the markup is 25% of the dealer's cost, what is…

A:

Q: Chris can be paid in one of two ways. Plan A is a salary of $320 per​ month, plus a commission of…

A: Let the amount of sales be s Then earnings of Chris from plan A is 320+0.88s Earnings of Chris from…

Q: Amanda and Molly are selling wrapping paper for a school fundraiser. Customers can buy rolls of…

A:

Q: Mikayla invests $2000 in one account and $900 in an account paying 3 % higher interest. At the end…

A: Basics  of Simple interest.

Q: The winner of a 1000 mile ease drove his car to victory at a rate of 134.8617 mph. What was his…

A:

Q: A shopkeeper orders 30 pounds of cashews and peanuts. If the amount of cashews he orders is 20…

A:

Q: At the beginning of the month, Sammi has saved $120 in her bank account. She wants to buy a new…

A: one week earning of Sammi = $20 3 weeks earning=3x20=$60 now total money she has is=120+60=$180

Q: Five more than two-thirds of a number is one less than the number.  What is the number?

A: Given that Five more than two-thirds of a number is one less than the number.  We have to find the…

Q: A group of people purchased 10 hot dogs and 5 soft drinks at a cost of $35.00. A second group bought…

A:

Q: On a bicycle, Tiffany rides for 8 hours and is 34 miles from her house. After riding for 11 hours,…

A:

Q: The number of girls scouts in attendance is 12 more than the number of boy scouts

A: let the number of girls scouts be x   Let the no. Of boys scouts be y

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.