Question

I need a answer soon please

Answer 1

Total number of coins is: 16 + 28 + 32 +4 = 80 coins

He sold 15% of them. "of" means multiply.

80 x 15% is the same as 80 x .15

80 x .15 = 12

He sold 12 coins

Answer 2

15 coins sold

Explanation:

Total coins: 16 + 28 + 32 + 4 = 80

`80 * 15 \% \\\\80 * (15)/(100)\\\\4 * 3 = 12`