AnswersDAEP - Math 7 A 20 DAY TERMDimensional AnalysisQuestion 9
9
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Dimensional Analysis

Question 9 • DAEP - Math 7 A (20 DAY TERM)

The table shows conversions of common units of capacity. Units of CapacityCustomary System UnitsMetric System Units1 gallon3.79 liters1 quart0.95 liters1 pint0.473 liters1 cup0.237 litersHow many gallons are in 50 liters? Round answer to the nearest tenth.

Answer
A
13.2 gallons
B
52.6 gallons
C
189.5 gallons
D
211.0 gallons

Explanation

Use the conversion 1 gallon = 3.79 liters. Divide 50 liters by 3.79 liters per gallon: 50 ÷ 3.79 ≈ 13.19 gallons. Rounded to the nearest tenth, that is 13.2 gallons, choice A.

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