1. Finding a Whole and a Percent 2/16/16
Rule
Finding a Whole
Part = % • Whole
Use a variable to represent the unknown value
Do the opposite operation to get the variable by itself
Amy spent $3.50 on snacks. That amount was 15% of her weekly allowance. What is Amy’s weekly allowance?
Part: $3.50
Percent: 15%
Whole: ?
$3.50 = 15% • ?
Convert the percent to a decimal
$3.50 = .15 • ?
Divide to get the variable by itself
Amy’s weekly allowance is $23.33

2. Finding a Whole and a Percent 2/16/16
Finding a Percent
Out of the 45 pieces of Valentines Day candy she was given, Michelle ate 32 of them over the weekend. What percent of her candy did Michelle eat?
Part: 32 pieces
Percent: ?
Whole: 45 pieces
32 = % • 45
Divide to get the variable by itself
Convert the decimal to a percent by multiplying it by 100
Michelle ate 71.1% of her candy