Question 180083

OK.  I'LL SET IT UP AND YOU CAN SOLVE IT.

Let x=number of 10's; 10x=value of the 10's ($)
Then 2x=number of 5's; 5*2x=10x=value of the 5's

Now we are told that ($ understood):
10x+10x=720

Now you can take it from here.


Hope this helps---ptaylor