Question

Coryn has 15 3/4 gallons of water for the marathon runners. If each cup holds .5 gallons of water, how many runners will be able to get a drink.

Answer 1

3. it cannot be any more because there can’t be a quarter of a person, so the answer is. 3 runners will have a drink, with 3/4 gallons left over

Answer 2

31

Explanation:

You want to know how many 0.5 gallon cups can be filled from 15 3/4 gallons of water.

Relation

If n is the number of cups, then 0.5n is the number of gallons that represents. We want to find the largest n such that ...

0.5n ≤ 15 3/4

Solution

n ≤ 15.75/0.5 . . . . . divide by the coefficient of n

n ≤ 31.5

The largest number of cups that can be filled is 31.

31 runners will be able to get a drink.

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