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Ratios & Rates. Solving Proportions. Percents & Fractions. Percents & Decimals. Percent of a Number. 1pt. 1 pt. 1 pt. 1pt. 1 pt. 2 pt. 2 pt. 2pt. 2pt. 2 pt. 3 pt. 3 pt. 3 pt. 3 pt. 3 pt. 4 pt. 4 pt. 4pt. 4 pt. 4pt. 5pt. 5 pt. 5 pt. 5 pt. 5 pt.
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Ratios & Rates Solving Proportions Percents & Fractions Percents & Decimals Percent of a Number 1pt 1 pt 1 pt 1pt 1 pt 2 pt 2 pt 2pt 2pt 2 pt 3 pt 3 pt 3 pt 3 pt 3 pt 4 pt 4 pt 4pt 4 pt 4pt 5pt 5 pt 5 pt 5 pt 5 pt
Write the following as a ratio in three different ways: 15 peanut butter cookies in a bag of 34 cookies
15 to 34 15:34
Express the ratio as a fraction in simplest form: 10 emeralds out of 25 gems
Express the ratio as a fraction in simplest form: 16 states visited out of 50 states
Express the ratio as a rate: 79.8 miles on 3 gallons of gas
Fill-in the Blank: The cross products of a proportion are ______.
Use cross products to determine whether the pair of ratios forms a proportion:
7 x 15 = 105 8 x 12 = 96 105 doesn’t equal 96 therefore the ratios don’t form a proportion
5 x 24 = 120 40d= 120 d=3
3 x 85 = 255 5c = 255 c = 51
Suppose Maria can read 15 pages in 20 minutes. How long will it take Maria to read 180 pages?
20 x 180 = 3600 3600 ÷ 15 = 240 mins. t = 240 mins
Fill-in the Blank: A percent is a ratio that compares a number to ___.
According to a survey, 36% of consumers prefer to buy a personal computer at an electronic store. What fraction does this represent?
Express the percent as a decimal: 46%
The word of in the following problem tells you to use which operation? Find 24% of 250.
0.8% of 800 0.008 x 800 = 6.4
The Fitch High School softball team won 88% of their games. If they played 25 games, how many games did they win?