Question

answer the following questions.
(a) 65% of 80 is what number?
(b) 57 is what percent of 60?

Explanation:

Step1: Convert percentage to decimal

$65\% = 0.65$

Step2: Multiply by the whole number

$0.65 \times 80 = 52$

Step3: Set up percentage formula

$\text{Percent} = \frac{\text{Part}}{\text{Whole}} \times 100\%$

Step4: Substitute values and calculate

$\text{Percent} = \frac{57}{60} \times 100\% = 0.95 \times 100\% = 95\%$

Answer:

(a) 52
(b) 95%