14. Molly had some 20-cent and 50-cent coins. 7
of the coins were 20 cent coins and the rest were 50-cent coins.
8
3
After Molly had spent $78 worth of 50-cent coins and of the 20-cent
7
4
coins, she had of the coins left. Find the number of 50-cent coins Molly
had left.
rat total