Question

### Gauthmathier5111

Grade 9 · 2021-01-10

The scale on a blueprint reads \dfrac {1}{2}'' to 1'. If the living room is to be 21' long, how long will it be on the blueprint? （ ）

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Answer

5(634) votes

### Gauthmathier5807

Grade 9 · 2021-01-10

Answer

C

Explanation

If \dfrac {1}{2}''=1', 21' will have a scale length of 21\times \dfrac {1}{2}'' or \dfrac {21}{2}'', which is the same as 10\dfrac {1}{2}''.

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