There were 100 pairs of socks 30% of them were sold on Monday and 40% of the remainder were sold on Tuesday. How many pairs of socks were left?

Answer 1

no idea?
started with 100%, then sold 30% then sold 40%.
How many % left?

Answer 2

0.3 * 100 = 30
100 - 30 = 70

0.4 * 70 = a

70 - a = ?

Answer 3

answer : 42

Answer 4

Yes. There are 42 pairs left.