SOLUTION: a concrete slab requires between 10 and 12 yd cubed of concrete. if 2.5 yd cubed of concrete can be poured each hour, how long will it take to pour the slab?

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Question 157563: a concrete slab requires between 10 and 12 yd cubed of concrete. if 2.5 yd cubed of concrete can be poured each hour, how long will it take to pour the slab?
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
You need to know how many times can you get 2.5 cu.yds. out of 10 cu. yds. or out of 12 cu.yds.
Divide 10 by 2.5
10%2F2.5+=+4 and
12%2F2.5+=+4.8
So it wil take between 4 and 4.8 hours to pour the slab. That's between 4 hours and 4 hours, 48 minutes.