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mario62 [17]
3 years ago
5

7.) Nate has $267 in bills. None of the bills is greater than $10. He has eleven $10 bills. He has seven fewer $5 bills than $1

bills. 7a.) How many $5 and $1 dollar bills does he have? 7b.) Describe the problem solving strategy you used to solve this problem.
Mathematics
1 answer:
slavikrds [6]3 years ago
3 0
Just set up 2 equations. 

267 = 10(11) + 5(x) + 1(y) 
x = y - 7 

you can plug the second into the first and get 

267 = 110 + 5(y - 7) + y 
157 = 5y - 35 + y 
6y = 192 
y = 32 
x = 32 - 7 = 25 

thus, 32 $1's and 25 $5's
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