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3 September, 08:57

A model rocket is built to a scale of "3cm = 5 meters. If the model is 7.4 cm tall how tall is the actual rocket?

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  1. 3 September, 09:01
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    3cm/5m=7.5cm/x

    Cross multiply

    3x=37.5

    Divide by 3 to isolate x

    x=12.5m
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