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TPA: cost given as a + bx; rate = b. If a = 100 and b = 5, x = 20 yields cost:

A150
B100
C200
D250
Answer & Solution
Correct answer: C. 200
1. 100 + 5·20 = 200. _Source: 501-GMAT-Questions Sec 3 Integrated Reasoning_
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