Question

A recipe for 24 cookies requires 1 12 cups of sugar. If Ben wants to make 36 cookies, how much sugar does he need?


214 cups


2 cups


212 cups


213 cups

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Answer 1

For this case we have the following data:

24 cookies require 1 1/2 cups of sugar. To know the amount of sugar that is required to make 36 cookies, we make a rule of three:

24 -----------> 1 1/2

36 -----------> x

Where x represents the amount of sugar required to make 36 cookies.

$x = \frac{(36 *1\frac{1}{2})}{24}$

$x = \frac{36 * (1 + \frac{1}{2})}{24}$

$x = \frac{36 * \frac{3}{2}}{24}$

$x = \frac{36 * 1.5}{24}$

$x =\frac{54}{24}$

$x = 2.25$

$x = (2 + 0.25)$

$x = 2 \frac{1}{4}$

Thus,  $x = 2 \frac{1}{4}$ cups of sugar are required to make 36 cookies.

Answer:

Option A