If Jane can paint a fence in 4 hours and Mike can paint the same fence in 6 hours, how long will it take them to paint it together?
It will take them 2 hours and 24 minutes to paint the fence together.
Anna can plant a garden in 8 hours, and her brother Ben in 4 hours. How long will it take them to plant it together?
It will take them 2 hours and 40 minutes to plant the garden together.
If Sarah and Tom together can wash all the dishes in 30 minutes, but Sarah alone can wash them in 50 minutes, how long will it take Tom alone?
Tom alone would take 75 minutes to wash the dishes.
Lucy can finish her homework in 3 hours, and Linda can finish the same homework in 2 hours. How long will it take them to finish it together?
It will take them 1 hour and 12 minutes to finish the homework together.
A bakery can bake 200 loaves of bread in 5 hours and another bakery can do it in 3 hours. How long will it take them to bake 200 loaves together?
It will take them 1 hour and 52 minutes to bake 200 loaves together.
If Alice can mow a lawn in 2 hours and her friend can do it in 3 hours, how long will it take them to mow the lawn together?
It will take them 1 hour and 12 minutes to mow the lawn together.
Two painters can paint a room in 3 hours together. If one of them can do it in 7 hours alone, how long will it take the other one alone?
The other painter can paint the room alone in 5.25 hours.
Jamie can complete a puzzle in 4 hours and Kate can complete the same puzzle in 6 hours. How long will it take if they work together?
It will take them 2 hours and 24 minutes to complete the puzzle together.
Alex can fill a pool in 10 hours and Sam in 5 hours. How long will it take to fill the pool together?
It will take them 3 hours and 20 minutes to fill the pool together.
Two friends help to clean a street, and together they finish in 2 hours. If one of them alone takes 3 hours, how long does the other take to clean it alone?
The other friend takes 6 hours to clean it alone.
If a chef and his assistant can make 100 sandwiches together in 2 hours, and the chef alone can do it in 3 hours, how long will the assistant take alone?
The assistant alone would take 6 hours to make 100 sandwiches.
A car wash team can clean a car in 1 hour. Another team can do the same in 2 hours. How long will it take them to clean a car together?
It will take them 40 minutes to clean a car together.
If Ryan can read a book in 10 hours and Claire can read the same book in 5 hours, how long will it take them to read it together?
It will take them 3 hours and 20 minutes to read the book together.
Tommy can cut firewood in 4 hours and Jim can do it in 8 hours. How long will it take if they work together?
It will take them 2 hours and 40 minutes to cut the firewood together.
Two pupils can solve a problem in 1 hour. One pupil can do it alone in 1.5 hours; how fast can the other solve it alone?