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# The ratio of cheese to sauce for a single pizza is 1 cup to

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The ratio of cheese to sauce for a single pizza is 1 cup to [#permalink]  19 Aug 2018, 03:11
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Question Stats:

100% (00:30) correct 0% (00:00) wrong based on 11 sessions
The ratio of cheese to sauce for a single pizza is 1 cup to $$\frac{1}{2}$$ cup. If Bob used 15 cups of sauce to make a number of pizzas, how many cups of cheese did he use on those pizzas?

[Reveal] Spoiler: OA
30

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Sandy
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Re: The ratio of cheese to sauce for a single pizza is 1 cup to [#permalink]  23 Aug 2018, 07:13
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Expert's post
sandy wrote:
The ratio of cheese to sauce for a single pizza is 1 cup to $$\frac{1}{2}$$ cup. If Bob used 15 cups of sauce to make a number of pizzas, how many cups of cheese did he use on those pizzas?

[Reveal] Spoiler: OA
30

Let's use equivalent ratios

Given: cheese/sauce = 1/0.5

If Bob used 15 cups of sauce to make a number of pizzas, how many cups of cheese did he use on those pizzas?
Let x = number of cups of cheese needed

We can write: 1/0.5 = x/15
Cross multiply to get: (0.5)(x) = (1)(15)
Simplify: 0.5x = 15
Solve: x = 30

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Brent
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Re: The ratio of cheese to sauce for a single pizza is 1 cup to   [#permalink] 23 Aug 2018, 07:13
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