+0  
 
0
115
2
avatar

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?

 Feb 10, 2023
 #1
avatar
+1

remainder = 45*(1-1/3)*(1-1/5)

 

You can crunch the numbers.

 Feb 10, 2023
 #2
avatar+79 
+1

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

 Feb 10, 2023

1 Online Users

avatar