Chapter 6.1, Problem 12GP

To determine

Find the number of calories present in the salad.

Answer to Problem 12GP

The number of calories in the salad has $140$ .

Explanation of Solution

Given:

It is given in the question that there are $28$ of its calories from protein in an Aztec salad and it is $20\%$ of the total number of calories.

Concept Used:

In this, use the concept of percent proportion such that the ratio of given two number will equal to the ratio of $p/100$ .

Calculation:

Here, it is already known that the percentage is given and need to find the total value x in the ratio.

  $\begin{array}{l}\frac{28}{x}=\frac{20}{100}\\ x\cdot 20=28\cdot 100\\ x=\frac{28\times 100}{20}\\ p=\frac{2800}{20}\\ p=140\end{array}$

Conclusion:

The number is $140$ calories.