A tourist purchased a total of 30 travelers checks in $ 50 and $100 d
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16 Oct 2024, 23:56
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A tourist purchased a total of 30 traveler’s checks in $ 50 and $100 denominations. The total worth of the traveler’s checks is $1800. How many checks of $50 denominations can he spend so that average amount (arithmetic mean) of the remaining traveler’s checks is $80?
A. 4
B. 12
C. 15
D. 20
E. 24
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