Question

Consider the following Examples on Word Problems Involving Multiplication:

1. A book costs $ 67. How much will be paid for 102 such books?

Solution:

The cost of one book = $ 6 7 6 7

Number of books = 1 0 2 × 1 0 2

The cost of 102 books = $ 67 × 102 1 3 4

= $ 6834 + 6 7 0 0

6 8 3 4


Therefore, cost of 102 books = $ 6834

Now, question-

2. A bicycle costs $ 215. How much will be paid for 87 such bicycles?

Answer 1

Solution:

 

The cost of one book            = $ 6 7                   6 7

Number of books                  = 1 0 2             × 1 0 2

The cost of 102 books          = $ 67 × 102        1 3 4

                                         = $ 6834         + 6 7 0 0

                                                                  6 8 3 4