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

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

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

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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

Answer: 30

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Re: The ratio of cheese to sauce for a single pizza is 1 cup to [#permalink] New post   09 Sep 2021, 20:35
Cheese : Sauce = 1 / (1/2) = 2/1

Cheese is double the amount of Sauce. So, 15 cups of Sauce means 15*2 = 30 cups of Cheese.
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Re: The ratio of cheese to sauce for a single pizza is 1 cup to [#permalink] New post   10 Sep 2021, 12:04
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This ratio is given in question: cheese: sauce = 2:1
So whatever the amount of one quantity be it must be exist in accordance to this ratio, thus
if 1 part of Sauce=15 then by Unitary method 2 parts will be 2*15=30, that is the number of cheese present hence 30parts of cheese will be present
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Re: The ratio of cheese to sauce for a single pizza is 1 cup to [#permalink] New post   12 Aug 2024, 09:25
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