Sunday, February 5, 2012

Number and Kind of Bills

John buys a used car for $2,000 (no tax). He pays in cash as a certain number of $1 bills, 15 times as many $5 bills, and a certain number of $10 bills and 3 times as many $100 bills. How many bills of each kind does John pay for the car?

Scroll down to see the answer!




































































Answer:


10 $1 bills, 150 $5 bills, 4 $10 bills, and 12 $100 bills.

(10 * 1) + (150 * 5) + (4 * 10) + (12 * 100) = 10 + 750 + 40 + 1200 = 2000



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