SOLUTION: At a local bank Wanda received $10 bills and $20 bills in exchange for $100 bill. She received a total of 8 bills. How many $10 bills did she receive?

SOLUTION: At a local bank Wanda received $10 bills and $20 bills in exchange for $100 bill. She received a total of 8 bills. How many $10 bills did she receive?

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Question 810502: At a local bank Wanda received $10 bills and $20 bills in exchange for $100 bill. She received a total of 8 bills. How many $10 bills did she receive?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
n+y=8,
10n+20y=100
n = 6, y = 2
6 tens and 2 twenties

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