Ratios - Practice Test

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What is the ratio of students who chose blue to students who chose green?
1. 9:3
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What is the ratio of students who chose green to those who chose "other"?
1. 3:5
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Which of the following is equivalent to the ratio of students who chose red to students who chose "other"?
1. 10:12
2. 18:15
3. 21:16
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If 23 students took a test and 2 of them did not pass, what is the ratio of students that passed to students that did not pass?
1. 21:2
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What is the value on n in the proportion
⁵/_n = ⁷/₂₁?
1. 15
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What is the value on n in the proportion
¹²/₅ = ⁿ/₈?
1. 19.2
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What is the value on n in the proportion
¹⁶/₉ = ²⁴/_n?
1. 13.5
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Mychayla used a 1.5 pounds of sugar in a cake. How many ounces sugar did Mychayla use?
1. 24 oz.
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Keshmario used 2.5 gallons of gasoline while cutting the grass during the month. How many ounces of gasoline did he use?
1. 320 ounces
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The parallelograms on the right are similar. What is the measure of angle J?
1. 120^o
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The parallelograms on the right are similar. What is the length of JK?
1. 4.5 feet
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A tree casts a shadow that is 27 feet long. At the same time, a yard stick casts a shadow that is 1.8 feet long. How tall is the tree?
1. 45 feet tall
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Ray is 5 feet tall and casts a shadow 6.5 feet long. How long of a shadow would a 35-foot telephone pole cast at the same time?
1. 45.5 feet
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A scale model of a "Big Ben" the common reference to the great clock tower in London is constructed using the scale 1 inch:190 inches. The actual height of the clock tower is 315 2/3 feet. Find the height of the scale model in inches.
1. 20 inches
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Write 64% as a fraction in simplest form.
1. ¹⁶/₂₅
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Write 40% as a fraction in simplest form.
1. ²/₅
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Write 8% as a fraction in simplest form.
1. ²/₂₅
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Which data set is in order from least to greatest?
1. 17.1% ;
  ¹/₆ ; 0.17 :
  ²/₁₁
2. 0.17 ; 17.1% ; ¹/₆ :
  ²/₁₁
3. ¹/₆ ; 0.17 ; 17.1% ; ²/₁₁
4. ²/₁₁ ; 0.17 ; 17.1% ; ¹/₆
Write 0.524 as a percent.
1. 52.4%
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Write ¹⁹/₂₀ as a percent.
1. 95%
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Write ³/₉ as a percent. (Round to the nearest tenth of a percent)
1. 33.3%
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What is 41% of 26?
1. 10.66
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What is 32% of 85?
1. 27.2
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Alex plans to buy a video game that costs $49.95. The sales tax rate is 6.75%. How much will it cost to buy the bicycle?
1. $53.33
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Ayla has a coupon for 35% off all of her clothing purchases in the store today. She chose $216 worth of clothing. How much will her purchase cost after the discount is applied? (exclude tax)
1. $140.40
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