What is I forgot
30% of $40 is $

$12

Step-by-step explanation:

10%=4

20%=8

30%=(20%+10%) = 12

or

10%=4×3 =12

$12

Step-by-step explanation:

30% can be written as the decimal 0.3.

$40 x 0.3 = $12

40% off the regular price is the correct answer.

step-by-step explanation:

circle area = pi * radius^2

if diameter = 10 then radius = 5

circle area = pi * 5^2

circle area = pi * 25

circle area = 78.5398163397 square units

step-by-step explanation: