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# Math help

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Chad built a scale model of a statue. He built the model 7 inches tall to represent the actual height of 15 feet. Which equation below represents the relationship between the actual height (a) ,in feet and the height of the model (m) , in inches?

KawaiiKibby  May 4, 2017
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Chad built a scale model of a statue.

He built the model 7 inches tall to represent the actual height of 15 feet.

Which equation below represents the relationship between the actual height (a) ,in feet and the height of the model (m) , in inches?

$$a\;\; \alpha\;\; m\\ a\;\; =\;\;k * m\\ \text{When actual is 15 model is 7}\\ 15\;\; =\;\;k * 7\\ k=\frac{15}{7}\\ a\;\; =\;\;\frac{15}{7} * m\\ a\;\; =\;\;\frac{15m}{7} \\$$

Melody  May 4, 2017