Question

What is 10% of 80??????????????????

Answer 1

10/100 × 80 = 
cross 0's evenly between top and bottom
1/1 × 8 = 8

Answer 2

8 is 10% of 80

Convert the percentage into a decimal:
$\frac{10}{100} = 0.1$

Multiply the decimal by 80:
$0.1 \times 80 = 8$