A motel clerk counts his $1 and $10 bills at the end of the day. He finds that he has a total of 55 bills having a combined mo
netary value of $199. Find the number of bills of each denomination that he has. PLEASE HELP ME
2 answers:
Answer:
16 $10 bills, 39 $1 bill
Step-by-step explanation:
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Answer
39 bills of 1$
16 bills of 10$
Step-by-step explanation:
x-nr of $1
y-nr of $10
x*1+y*10=199
x+y=55 , x=55-y
so I use the substitution method
(55-y)*1+10y=199
55+10y-y=199
-55 -55
9y=144
y=144/9
y=16
so x=55-16
x=39
verify 16*10+39*1=160+39=199
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