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Mr. Loh had some 10 bills, 5 bills, and 2 bills in his wallet. He had 159. 1/5 of them were 10 bills, 3 fewer than 1/2 of the remaining bills were 5 bills and the rest were 2 bills. How many 2 bills were there altogether?

 Jun 6, 2021
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x = number of bills in his wallet

The values are as follows:

1/5 (x ) ( 10 )    +         (2/5 x  -3) (5)    +           ( 2/5 x +3) (2) = 159 

2x                    +               2x - 15             +               4/5 x  +6    = 159 

x = 35 bills 

 

2/5 (35) + 3 = 17 two dollar bills

 Jun 6, 2021

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