Question

Person bought 360 per dozen and sells 80 a pair find gain percent

Answer 1

360 per dozen.

a dozen = 12

price for 1 = 360÷12 = 30

sells 80 for a pair.

a pair =2

price for 1 = 80÷2= 40

price for a dozen = 40×12=480

gain = 480 - 360 = 120

gain percent = 120/360 × 100 = 33⅓ %