SOLUTION: Helpppp ASAP PlZzzz A bank teller has 47 $20 and $5 bills in her cash drawer. the value of the bills is $490. How many $20 bills are there?

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Question 1068866: Helpppp ASAP PlZzzz

A bank teller has 47 $20 and $5 bills in her cash drawer. the value of the bills is $490. How many $20 bills are there?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.T%2BF=47
2.10T%2B5F=490
Multiply eq. 1 by 5 and subtract from eq. 2 to eliminate F,
10T%2B5F-5T-5F=490-235
5T=255
Now solve for T then use either equation to solve for F.