Answers DAEP - Math 7 A 20 DAY TERM Dimensional AnalysisQuestion 5

5

QuizMultiple Choice

Dimensional Analysis

Question 5 • 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 deciliters are equivalent to 9 cups? Use the conversion table to find the answer. Round to the nearest tenth.

Answer

A

21.3 dL

B

42.7 dL

C

213.3 dL

D

426.6 dL

Explanation

The table shows that 1 cup is 0.237 liters, so 9 cups equal 9 × 0.237 = 2.133 liters. Since 1 liter equals 10 deciliters, 2.133 liters equal 21.33 deciliters. Rounded to the nearest tenth, the answer is 21.3 dL, choice A.

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