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Compound Rates and Derived Units
Grade Level
GMAT
Q.066 Compound Rates and Derived Units
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A lab records 12 errors per 10,000 sample-hours. At the same rate, how many errors are expected in 50,000 sample-hours?
A
12 ÷ (50,000 ÷ 10,000) = 2.4 errors
B
12 × (50,000 ÷ 10,000) = 60 errors
C
10,000 ÷ 50,000 × 12 = 2.4 errors
D
12 × 50,000 × 10,000 = 6,000,000,000 errors
E
50,000 ÷ 12 = 4,166.67 errors
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