Question

Find percentage of the sum (a) 75 decreased by 20%

Answer 1

Step-by-step explanation:

Decrease number 75 by 20 percent of its value : New value = 75 - percentage ... 80 ÷ by 100 × 75 = 80 ÷ by 100 = 6000 ÷ by 100 = 60; Answer: 75 decreased by 20 percent = 60...

Answer 2

Answer:

$75 \times 80\% = 60$

Step-By-Step Explanation:

$75 × (100 - 20\%) \\ = 75 \times 80\% \\ = 75 \times \frac{80}{100} \\ = 75 \times \frac{\cancel{ 80}_{ \: 4}}{\cancel{ 100}_{ \: 5} } \\ = 75 \times \frac{4}{5} \\ = _{15 \:} \cancel{75} \times \frac{4}{\cancel 5_{\: \: 1}} \\ = 15 \times 4 \\ = \underline{ \underline{ 60}}$