Question

Music store has 125 cd's. 64% are on sale, the rest are at full price. how many cd's are selling at full price?

Answer 1

125 cd .................. 100%
x cd .....................36%

x = 36*125:100 = 4500:100 = 45 cds at full price

Answer 2

64% on sale means ( 100-64 = 36) 36% are full price

125 * 0.36 = 45 CDs are full price