Question

and proportion and percent – problems

1. what percent of 650 is 78?

a 4%
b 8.33%
c 12%
d 31%
e 57.2%

Explanation:

Step1: Set up percentage formula

To find what percent $x$ of 650 is 78, use the formula:
$$x = \frac{78}{650} \times 100\%$$

Step2: Calculate the fraction

First compute $\frac{78}{650}$:
$$\frac{78}{650} = 0.12$$

Step3: Convert to percentage

Multiply by 100%:
$$0.12 \times 100\% = 12\%$$

Answer:

C. 12%