Question

George has a small coin collection.  He has collected 16 gold coins, 28 silver coins, 32 copper coins, and4 bronze coins. At a flea market, George sells 15% of his coins. Find the number of coins he sold.

Answer 1

Total number of coin that George has
16 + 28 + 32 + 4 = 80 coins
total number of coins sold by George
= 15% of 80
= 15/100 X 80
= 12 coins             (ans)

Answer 2

16+28+32+4=80
15% out of 80
15/100 * 80 = 12 coins sold