SOLUTION: Bobby and Mike have a summer job mowing the school yard once a week. The school provides them with two riding lawn mowers.One mower requires 7 hours to mow the school yard, while t

Question 266027: Bobby and Mike have a summer job mowing the school yard once a week. The school provides them with two riding lawn mowers.One mower requires 7 hours to mow the school yard, while the other could cover the school yard in 6 hours. How long will the job take using both mowers? (Round your answer to the nearest tenth.)
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
The first mower can mow of the yard in 1 hour.
The second mower can mow of the yard in 1 hour.
Together, they can mow of the yard in 1 hour.
So it would take them hours to mow the entire yard.
hours.
Rounded to the nearest tenth this would be 3.2 hours.
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