Homework Help: Math 117

Posted by Maria on Thursday, September 3, 2009 at 4:10pm.

A bank teller has some five-dollar bills and some twenty-dollar bills. The teller has 10 more of the
twenties. The total value of the money is $850. Find the number of five-dollar bills that the teller
has?

Math 117 - bobpursley, Thursday, September 3, 2009 at 4:12pm
N*20 + (N-10)10=850

check that.
Math 117 - Lisa, Thursday, September 3, 2009 at 4:26pm
Thanks that was all that I needed now let me work on my problem and tell if I got the correct answer.

N*20+(N-10)10=850
20n+20n-200+10=850
40n-190=850
n=26
Math 117 - Ms. Sue, Thursday, September 3, 2009 at 4:34pm
That works out correctly.

26 * $5 = #130
36 * $20 = $720

130 + 720 = 850

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