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If the total cost of z apples is a ​cents, what is the general formula for the​ cost, in​ cents, of w ​apples?

User Herku
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1 Answer

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The total cost of z apples = a cents

The cost of 1 apple = \frac{a}{z} cent

The cost of w apples = \frac{wa}{z} cents

User Tijuan
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