maths

A snapshot measures 2 1/2 inches by 1 7/8 inches. It is to be enlarged so that the longer dimension will be 4 inches.The length of the enlarged shorter dimension will be

1. 2 1/2 inches
2. 2 5/8 inches
3. 3 inches
4. 3 3/8 inches
5. 3 5/8 inches

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3. 17
1. use proportions/ratios:

1 7/8 : 2 1/2 ≡ x : 4
Simplify ratios:
15/8 : 5/2 ≡ x : 4
15 : 20 ≡ x : 4
3 : 4 ≡ x : 4

Solve for x.

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posted by MathMate

1. 0
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posted by peter
3. Correct! Well done! :)

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2. 0
posted by MathMate

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