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A pizza recipe calls for cheese and flour in the ratio of 2 grams to 1

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A pizza recipe calls for cheese and flour in the ratio of 2 grams to 1 [#permalink]

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31 May 2016, 02:44
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A pizza recipe calls for cheese and flour in the ratio of 2 grams to 1 gram, respectively. If cheese and flour are the only ingredients in the recipe, how many grams of cheese are used when making a pizza?

(1) the pizza requires 33 grams of ingredients
(2) the ratio of the number of grams of flour to the total number of grams used in the recipe is 1:3
[Reveal] Spoiler: OA

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Re: A pizza recipe calls for cheese and flour in the ratio of 2 grams to 1 [#permalink]

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31 May 2016, 03:06
c:f = 2:1

1. 33 grams of ingredients
cheese = (2/3)*33 = 22 grams sufficient !!

2. flour: t-flour = 1:3 insufficient !!

A
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Re: A pizza recipe calls for cheese and flour in the ratio of 2 grams to 1 [#permalink]

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18 Aug 2017, 14:20
Bunuel wrote:
A pizza recipe calls for cheese and flour in the ratio of 2 grams to 1 gram, respectively. If cheese and flour are the only ingredients in the recipe, how many grams of cheese are used when making a pizza?

(1) the pizza requires 33 grams of ingredients
(2) the ratio of the number of grams of flour to the total number of grams used in the recipe is 1:3

$$\frac{Chees}{Floor} = \frac{C}{F} = \frac{2}{1}$$

(1) the pizza requires 33 grams of ingredients

Total = 33 Grams

2x + 1x = 33

3x = 33

x = 11

We need not solve the equation, we can directly get the answer!

Hence, (1) ===== is SUFFICIENT

(2) the ratio of the number of grams of flour to the total number of grams used in the recipe is 1:3

This information is not sufficient to calculate the total cheese required.

Hence, (2) ===== is NOT SUFFICIENT

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Re: A pizza recipe calls for cheese and flour in the ratio of 2 grams to 1 [#permalink]

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20 Aug 2017, 06:07
Bunuel wrote:
A pizza recipe calls for cheese and flour in the ratio of 2 grams to 1 gram, respectively. If cheese and flour are the only ingredients in the recipe, how many grams of cheese are used when making a pizza?

(1) the pizza requires 33 grams of ingredients
(2) the ratio of the number of grams of flour to the total number of grams used in the recipe is 1:3

C/F = 2/1
Therefore 2*x+1*x= T (total gms of cheese and flour combined in the pizza)

(1) T=33
3x=33
Hence sufficient

(2) F/(C+F) = 1/3
C/F=2/1. This is given in the question.
Hence insufficient

Ans : A
Re: A pizza recipe calls for cheese and flour in the ratio of 2 grams to 1   [#permalink] 20 Aug 2017, 06:07
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