A truck driver is carrying eleven bills. Some of the bills are $10 bills (x), and some are $5 bills (y). Together, the bills total $85. How many $10 bills does she have?

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Paulkmoore asked Mar 28, 2023

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38 votes

A truck driver is carrying eleven bills. Some of the bills are

$10 bills (x), and some are $5 bills (y). Together, the bills
total $85. How many $10 bills does she have?

Mathematics
college

Paulkmoore asked Mar 28, 2023

by Paulkmoore

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1 Answer

14 votes

Answer:
6 ten-dollars bills

Explanation:

x + y = 11
10x + 5y = 85
5( x + y ) = 5(11)

5x + 5y = 55
10x + 5y = 85

-5x + 0 = -30

x = 6

Tsury answered Apr 3, 2023

by Tsury

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