Proportions 4-1 Study Guide and Review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| two quantities that have a constant rate or ratio | proportional
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| an equation that show that two ratios or rates are equivalent | proportion
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| a ratio of two measurements with different units | rate
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| a rate that is simplified so that it has a denominator of 1 | unit rate
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| two ratios that have the same value | equivalent ratios
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| a relationship in which the ratio is not constant | nonproportional
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| Find the unit rate of $23.75 for 5 pounds | $4.75 per lb
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| Find the unit rate of 810 miles in 9 days | 90 mi per day
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| An Internet company charges $30 a month. There is also a $30 installation fee. Is the number of months you can have Internet proportional to the total cost? Proportional or nonproportional | Nonproportional
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| On Friday, Jade washed 10 vehicles in 4 hours. The next day she washed 15 vehicles in 6 hours. Is the number of vehicles she washed proportional to the time it took her to wash them? Proportional or nonproportional | Proportional
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| Find the unit price of a 16-ounce box of pasta that is on sale for 96 cents. | 6 cents per ounce
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| Is the amount of money earned proportional or nonproportional to the number of haircuts? earnings to haircuts = 28 to 1, 56 to 2, 84 to 3, 112 to 4 | proportional
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| Solve 9 to x = 4 to 18 | 40.5
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| Solve the proportion. 3:r = 6:8 | 4
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| Solve the proportion. 30:0.5 = y:0.25 | 15
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| Solve the proportion. 7 to 4 = n to 2 | 3.5
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| Solve the proportion. k to 5 = 72 to 8 | 45
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| Solve the proportion. 12:8 = a:6 | 9
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| A squirrel can run 1 mile in 5 minutes. How far can it travel in 16 minutes? | 3.2 mi
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| If 3 televisions weigh 240.6 pounds, how much do 9 of the same televisions weigh? | 721.8 lb
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