. Mario and Kenneth work in a car wash station. The time that Mario takes in a washing car alone is 20 minutes less than the time that Kenneth takes in washing the same car. If both of them work together in the washing car, it will take them 90 minutes. How long it will take each of them to wash the car?

Q: A swimming pool can be filled by three pipes, A, B, and C. Pipe A alone can fill the pool in 8…

A: Given that Pipe 'A' fill the pool alone in 8 hours. Let Pipe 'B' fill the pool alone in x hours and…

Q: The number of males in the classroom is five more than three times the number of females. If the…

A: Let number of females in classroom be x Number of males = 3x+5

Q: 11,000 dollars is invested into two account, one at 8% and the other at 4.5%. How much must be…

A: Let amount invested in 1st account = $ x Amount invested in 2nd account = $ (11000-x) Interest on…

Q: In a box of stones, the ratio of red marbles to total marbles is 2:5. The ratio of green stones to…

A: Given: Ratio of red marbles to total marbles=2:5 Ratio of green marbles to total stones=3:10 Total…

Q: You invested $6000 between two accounts paying 5% and 8% annual interest, respectively. If the total…

A:

Q: Kurt has saved $160 to buy a stereo system that costs $400 including taxes. If he earns $8 an hour…

A: Let kurt work x hours to get stereo system  Cost of stereo system =$ 400  saving of kurt =$ 160

Q: he cost of a telephone call from Manila to Davao from 9 am to 5 pm is P24.00 for the first minute…

A: Given: The cost of a telephone call from Manila to Davao from 9 am to 5 pm is P24.00 for the first…

Q: It takes Aaron 3 hour 15 minutes to travel from A City to B City and 5 hours 25 minutes to reach C…

A: From A city to B city time taken=3 hour 15 minutes From B city to C city time taken= 5 hrs 25…

Q: An estate of $380,000 is left to three siblings. The eldest receives 3 times as much as the…

A: Given that  An estate of $380,000 is left to three siblings. The eldest receives 3 times as much as…

Q: 1. Maxine and Sammie have lawns that are the same size. Maxine can mow her lawn in 24 minutes and…

A: we have been given that Maxine mow her lawn in 24 minutes  and Sammie mow her lawn in 36 minutes

Q: An estate of $453,000 is left to three siblings. The eldest receives 3 times as much as the…

A: The given data is: The total amount is $453,000

Q: There are 40 students in a classroom, and the desired ratio of students to computers is 3 : 1. How…

A:

Q: 1. when jack and jill work together, they can carry a cooler of water up a hill in 12 hours. when…

A: ln(xy2z3) = ln(x) + lny2 + lnz3 = lnx + 2lny + 3lnz As ln am = mln a

Q: Eight adults and two children need to cross a river in a small boat that can hold one adult or one…

A: A boat can hold one adult or one child or two children to cross the river. a) Eight adults and two…

Q: CarA is 5,000 dollars, and has 50miles per gallon. And CarB is 2,000 dollars, but only 31 Mpg. How…

A:

Q: Customers of a phone company can choose between two service plans for long distance calls. The first…

A: Equation writing problem.....

Q: The sum of the digits of a 2-digit number is 10. If the number is divided by the units digit, the…

A: The sum of the digits of a 2-digit number is 10. If the number is divided by the units digit, the…

Q: The sum of Amal’s age and her mother’s age is 38. After 5 years Amal’s age will be half of her…

A:

Q: oday, Hector would be 22 years years older than his sister in five years he will be three times as…

A:

Q: e. Alice and Bob are in separate rooms. If Alice transfers to Bob's room, there will be an equal…

A: Please find attachment for the details solution

Q: Jon works at odd jobs for Mr. Taylor. On four successive Saturdays, he worked 7 hours and 50…

A:

Q: A postal carrier can deliver to 130 houses in a 2.5 hour period. At this rate, how many hours will…

A: To find number of hours it will take to deliver to 312 houses.

Q: 1. A sink can be filled by a pipe in 5 minutes, but it takes 7 minutes to drain a full sink. If both…

A: Topic - pipe and drain problem Note : as per bartleby Guidelines ,we are supposed to solve only…

Q: You are at the store, and the new iPhone is 35% off.  If the regular price is $425, how much will…

A:

Q: Every year the junior and senior classes at Bufoo High School build a house for the community. If it…

A: Solution and Explanation is given below

Q: the same amount of time, Elyce walks 4 miles and Bruce bicycles 14 miles. If Elyce walks 18 miles,…

A: We have to find

Q: 1. If the digits of a two-digit number are reversed, the number is increased by 36. The sum of the…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 13. It takes Jacob and Daniel one hour and 20 minutes to bathe, feed, and walk our dog Pepper. If…

A: Given- Jacob and Daniel take one hour and 20 minutes to bathe, feed and walk the dog pepper and if…

Q: A candy confectioner needs to mix a 20% fat-content chocolate with a 50% fat-content chocolate to…

A: Given:  A candy confectioner needs to mix a 20% fat‐content chocolate with a 50% fat‐content…

Q: 1. When Jack and Jill work together, they can carry a cooler of water up a hill in 12 hours. When…

A:

Q: Sam can fill a certain order in 5 hours while Willy needs 9 hours to do the same job. Working…

A:

Q: D. 1. If the length of the bridge will be doubled to make it a two-way-wide bridge, how many weeks…

A:

Q: Suppose that there are two types of tickets to a show: advance and same-day. The combined cost of…

A:

Q: 1. A 6 pound A.P. beef tenderloin is trimmed. There are 9 ounces of non-usable trim. How many 6…

A: see below the answer and explanation

Q: 4. Suppose that you work part-time as a sales representative at a car dealership. You earn a base…

A: Note: We will answer the first question only as the exact one is not specified. Please resubmit the…

Q: A 12% tin alloy is to be melted with an 18% tin alloy.   How many kilograms of each tin alloy must…

A: Alloy 1 =  12 % Alloy 2  = 18% Let the quanity of alloy 1 =x  Then , quanity of allo 2 = 15 -x

Q: 9. Lauren is 3 less than twice Andrew's age. 4 years from now, Sam will be 2 more than twice…

A: Since you have posted multiple questions as per our guidelines we are allowed to answer the first…

Q: With a large power mower (John Deere 20 horse power, 42 inch cut) it takes Amos 3 hours to mow a…

A: Given that Amos takes 3 hours and Andy takes 6 hours to mow the same lawn.  In 1 hour Amos finish 13…

Q: The sum of the ages of two boys is four times the sum of the ages of a certain number of girls. Four…

A: The sum of the ages of two boys is four times the sum of the ages of a certain number of girls. Four…

Q: 1. One printing press can print the first edition of a book in 55 minutes. A second printing press…

A:

Q: indy can construct 100 identical boxes in two days less than Carl. If they work together, they can…

A: Definition used -               If A completes work in x days and B completes work in y days.…

Q: 3. Four short-order cooks can make 24 omelets in 10 minutes. if a diner gets a to-go order for 90…

A: Let the number of cooks= C number of omelets = N Time= T N is proportional to C and T. So, N=kCT…

Q: Cheen is now five times as old as Monokuma was 5 years ago. If the sum of Monokuma’s and Cheen’s…

A: topic - linear equation in two variables

Q: The ratio of male employees to the female employees of a manufacturing company is 6:25. The total…

A: Given that :Ratio of male to female employes = 6:25Total number of employes = 246The company hired 4…

Q: Gordon is twice as old as Tony when Gordon was as old as Tony is now. The combined age of Gordon and…

A:

Q: Two pipelines were used to fill a large tank with crude oil. The tank could be filled in 51 minutes…

A: Step:-1 As given that both the pipe left on until the tank was filled so, both will take same time…

Q: 6) Ronnie has two printing machines that print at different rates. Machine A prints 45 shirts every…

A:

Q: Person A leaves his home to visit his cousin, Person B, who lives 224 miles away. He travels at an…

A:

Q: 3. It takes me 5 hours to weed all of the gardens at my house. If my husband works with me, it will…

A: To find: We have to find Mr. King's time to complete the work.

Q: Three numbers a, b, and c are added in pairs. If the sum of a and b is 13, the sum of b and c is 21,…

A: Given that, a, b and c are the numbers and the sum of these numbers as following, a + b = 13…