Question

The bookstore had 56 copies of magazine yesterday and sold 1/4 of them today sold 4/7 of what remain how many copies does the book store have 

Answer 1

18

Explanation:

56 copies

sold 1/4 *56 = 14 copies

42 copies left

4/7 * 42 = 24 copies sold

remaining 42-24 = 18