Question
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?
Answers
Steve
no idea?
started with 100%, then sold 30% then sold 40%.
How many % left?
started with 100%, then sold 30% then sold 40%.
How many % left?
Ms. Sue
0.3 * 100 = 30
100 - 30 = 70
0.4 * 70 = a
70 - a = ?
100 - 30 = 70
0.4 * 70 = a
70 - a = ?
vincent
answer : 42
Ms. Sue
Yes. There are 42 pairs left.