Question

a box of cereal states that there are 90 calories in a 3/4 cup serving - how many cups are there in 4 cups of cereal?

Answer 1

90 calories in 3/4 cup

3/4 cup == 90 calories
1 cup = 90*4/3 = 120 calories
 
4 cups = 4*120 = 480 calories

[3/4==75%=90 calories...1%=90/75..100% = 90/75 * 100=120 cal...so 1 cup(100%)=120 cal...4 cups = 480 cal]

Answer 2

Complete Question:

A box of cereal states that there are 90 calories in a 3/4 cup serving - how many calories are there in 4 cups of cereal?

Answer:

Number of calories in 4 cups of cereal = 480calories

Step-by-step explanation:

Given,

$\frac{3}{4}$ cup servings of cereal contain 90 calories.

To find,

The total calories in 4cups of cereal.

Solution:

We use the unitary method to find the number of calories in 4 cups of cereal.

Number of calories in $\frac{3}{4}$ cup servings of cereal = 90 calories

Number of calories in 1 cup of cereal = $\frac{90}{\frac{3}{4}}$

=90×$\frac{4}{3}$

= 120 calories

Hence the number of calories in 4 cups of cereal = 120 ×4

=480 calories

∴Number of calories in 4 cups of cereal = 480calories

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