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Answer these three questions.
3 is what percent of 6?
2 is what percent of 5?
6 is what percent of 8?
Section 6.5
Percent Proportion
The Percent Proportion
100
percent
base
part
Twenty is what percent of 25?
(of)
Solve each problemNinety is 24% of what number?
100
percent
base
part
(of)
Solve each problemWhat percent of 20 is 35?
100
percent
base
part
(of)
Solve each problemWhat number is 42.5% of 90?
100
percent
base
part
(of)
Solve each problemSeventy is 28% of what number?
100
percent
base
part
(of)
Bake Sale At the school bake sale, 23 chocolate chip cookies, 18 oatmeal raisin cookies, and 7 peanut butter cookies were sold. If the sale started with a total of 90 cookies, what percent of the cookies were sold?
Market Research A survey of 500 teenagers found that 37% prefer a soft drink with dinner; 48% prefer water; and 15% prefer milk. How many of the teenagers prefer milk with dinner?
Homework
P 291-292 3 – 19 odds; 21, 22, 25, 26