12 % = 12 / 100
52 * 12 / 100 = 624 / 100 = 6.24
52 + 6.24 = 58.24 kg
OR
100 % + 12 % = 112 % = 112 / 100 = 1.12
1.12 * 52 = 58.24 kg
a boy mass increases by 12% between is 10 and 11birthday it is mass was 52 kg on his 10 birthday whats was the amount on his mass on his 11 birthday
1 answer
1 answer