maleficent44
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Jane buys some rocks for decorating her backyard. She uses a box full of rocks. The box is a rectangular container that is 1 yard long, 0.5 yard wide and 0.5 yard high. She buys rocks for $25 per cubic yard. How much does Jane spend to buy these rocks?

Respuesta :

First, Jane must know the volume of the box.
Volume = l * w * h
Volume = 1 * 0.5 * 0.5
Volume = 0.25 yard^3

1 yard^3 = $25

So,
1 : 25 = 0.25 : x
x = 25 * 0.25
x = $6.25

So she need to spend $6.25

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