Posted by **darryl** on Tuesday, March 16, 2010 at 10:48pm.

an envelope contains 20 bills in denominations of $1,$5,$10, there are two times as many $5 bills as there are$10 bills. the total of the envelope is $54. how many of each bill do i have

- Math -
**Reiny**, Tuesday, March 16, 2010 at 10:55pm
let number of tens be x

then number of fives = 2x

number of ones = 20 - 3x

10x + 5(2x) + 1(20-3x) = 54

solve for x, sub back into my definitions

(should get 2 tens, 4 fives, and 14 ones)

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