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Sergio [31]
3 years ago
14

A student has some​ $1 and​ $5 bills in his wallet. he has a total of 1919 bills that are worth ​$5959. how many of each type of

bill does he​ hav
Mathematics
1 answer:
uysha [10]3 years ago
4 0
X = ones, y = fives

x + y = 19....x = 19 - y
x + 5y = 59

19 - y + 5y = 59
19 + 4y = 59
4y = 59 - 19
4y = 40
y = 40/4
y = 10 <=== there are 10 five dollar bills

x + y = 19
x + 10 = 19
x = 19 - 10
x = 9 <=== there are 9 one dollar bills
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