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musickatia [10]
3 years ago
15

an 8 in. by 10 in. photo is reduced so that the width (the shorter dimension) is 3 in. what is the length of the reduced photo

Mathematics
1 answer:
Sindrei [870]3 years ago
6 0

Answer:


Step-by-step explanation:

The length can be found by setting up a proportion.  If the width is reduced by some ratio, then the length will share the same ratio.

3 / 8 =  x / 10                    Multiply both sides by 10.

3 * 10 / 8 = x                     Multiply first

30/8 = x                            Divide next. You don't need to do it in this order.

3 6/8                                 Simplify

3 3/4                                 Give another choice

3.75                                

The length = 3.75 inches

If none of these are correct, please leave a note with your choices.

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<img src="https://tex.z-dn.net/?f=%2815%2B23%29%2B7%3D15%2B%28_______%2B7%29" id="TexFormula1" title="(15+23)+7=15+(_______+7)"
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