Question

How would you get the answer of how much change he received

Answer 1

35 x $1.75= $61.25
$100- $61.25= $38.75

He would receive $38.75 in change.

Answer 2

Explanation:

Givens

I foot of sill = 1.75

35 feet of sill = x

Paid with 100 dollars.

Solution

First part

Solve the proportion

1/35 = 1.75/ x Cross multiply

1*x = 35 * 1.75

x = 61.25

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Second part

Get the change.

Change = 100 - 61.25

Change = 38.75

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The change =

3 tens 30.00

1 five 5.00

3 ones 3.00

3 quarters .75

Total 38.75