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## GMAT Practice Question Set #8 (Question 22-24)

Data Sufficiency Question #22: Paying for Apps
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 A mobile app store sells all of its mobile apps at one fixed price and all of its mobile books for another fixed price. If David, Patrick and Emily purchased digital products from this mobile app store, how much did Patrick pay for 1 mobile app and 1 mobile book? (1) David paid \$15 for 2 mobile apps and 3 mobile books. (2) Emily paid \$30 for 4 mobile apps and 6 mobile books. (A) Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked. (B) Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked. (C) Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone. (D) Each statement alone is sufficient to answer the question. (E) Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.
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