Example: 1a

A book costs $67. How much will it cost for 12 such books?

Explanation:

In the above problem, the cost of each book is $67 and the number of books is 12. Therefore, the total cost of 12 books = 67 x 12 = $804

Example: 2a

Suppose a heart beats 72 times in a minute. How many times will it beat in an hour?

Explanation:

In the above problem, the number of heartbeats in a minute is 72 and the number of minutes in an hour is 60. Therefore, the number of times heart beats in an hour = 72 x 60 = 4320

Example: 3a

A book contains 500 pages. How many pages are there in 2 such books?

Explanation:

In the above problem, the number of pages in one book is 500 and the number of books is 2. Therefore, the total number of pages in 2 books = 500 x 2 = 1000