Mathematics, 28.01.2020 09:31, joejoefofana
When devon cashed a $450 check at the bank, the teller gave him 18 bills, all $20 bills and $50 bills. which system of equations can be used to find how many of each type of bill devon received?
a) f- t = 18; 50f + 20t =450
b) f + t = 18; 50f + 20t = 450
c) f + t = 450; 50f + 20t = 18
d) f + t = 18; 50f - 20t =4 50
Answers: 3
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When devon cashed a $450 check at the bank, the teller gave him 18 bills, all $20 bills and $50 bill...
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