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.

Question

Mathematics

Taniya Rich

17 January, 17:56

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.

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Answers (1)

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Charlize Pennington · Answer 1

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