A bookstore had
45
copies of a magazine. Yesterday, it sold
1/3
of them. Today, it sold
1/5
of what remained. How many copies does the bookstore have left?
+79 Day 1: It had 45
Day 2: After selling 1/3 of them it has 2/3 * 45 = 30 magazines.
Day 3: After selling 1/5 of them it has 4/5 * 30 = 24 magazines.
It has 24 magazines
