Brett can plow out all the driveways on his street with his new four-wheel-drive truck in 6 hours. Using a snow blade on a lawn

Question

4 years ago

5

Brett can plow out all the driveways on his street with his new four-wheel-drive truck in 6 hours. Using a snow blade on a lawn

tractor, his neighbor can plow out the same number of driveways in 12 hours. How long would it take them to do the work together?

Mathematics

1 answer:

vlada-n [284] · Answer 1 · 2021-12-03T18:39:13+03:00

vlada-n [284]4 years ago

6 0

Answer:

4 hours

Step-by-step explanation:

The truck works twice as fast as a lawn tractor, so is equivalent to 2 of them. Together, they are equivalent to 3 lawn tractors, so can do the job in 1/3 the time of one of them: 4 hours.

Brett can plow out all the driveways on his street with his new​ four-wheel-drive truck in 6 hours. Using a snow blade on a lawn

Brett can plow out all the driveways on his street with his new four-wheel-drive truck in 6 hours. Using a snow blade on a lawn