SOLUTION: A cash register contains only five dollar and ten dollar bills. It contains twice as many five's as ten's and the total amount of money in the cash register is 700 dollars. How man

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Question 713696: A cash register contains only five dollar and ten dollar bills. It contains twice as many five's as ten's and the total amount of money in the cash register is 700 dollars. How many ten's are in the cash register?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
LET X= THE NUMBER OF TENS.
LET 2X IS THE NUMBER OF FIVES.
10X+5*2X=700
10X+10X=700
20X=700
X=700/20
X=35 TENS.
2*35=70 FIVES.
PROOF:
10*35+5*70=700
350+350=700
700=700