Cindy W.
asked • 03/20/17Linear equation with money
Geiger had a total of twenty eight $5 and $10 bills. If the total amount of money in his pocket is $180 how many of each bill did he have?
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1 Expert Answer
f + t = 28 -----> t = 28 - f
5f + 10t = 180
5f + 10(28 - f) = 180
5f + 280 - 10f = 180
5f = 100
f = 20
t = 28 - 20 = 8
Boom.
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Tim C.
03/20/17