Answer:
12$
Step-by-step explanation:
When taking a percentage of something
You are multiplying because that is what of implies.
To convert a percentage to a decimal get rid of the %, and divide by 100.
Given 30 percent of $40, Multiply the converted decimal of the percentage, and the quantity.
30% of $40 = 30/100 × 40$ = 3/10 × 40$ = (40$ × 3) / 10 = (40$ + 40$ + 40$) / 10 = 120$ / 10 = 12$
