Royal Pizza's advertisement says that 10 pizzas will cost $120. How much will 1 pizza cost?

Nikit Barochiya asked Apr 26, 2023

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Nikit Barochiya asked Apr 26, 2023

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18 votes

In order to find the cost of 1 pizza, let's use the following rule of three:

$\begin{gathered} 10\text{ pizzas}\to120 \\ 1\text{ pizza}\to x \\ \\ (10)/(1)=(120)/(x) \\ 10x=120 \\ x=(120)/(10) \\ x=12 \end{gathered}$

So the cost of one pizza is $12.

Cactustictacs answered Apr 29, 2023

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