1. If the cost of 3 books is Rs. 90, then
find the cost of 12 books.
Answers
Answered by
7
Answer:
Rs 360
Step-by-step explanation:
cost of 3 books = 90
therefore cost of 1 book = 90/3 = 30
cost of 12 books = cost of 1 book X no.of books
= 30 x 12 = 360
Rs 360 will be the cost of 12 books
hope this helps you dear..
Answered by
1
Given:
Number of books = 3
Cost of three books = 90
To Find:
The total cost of 12 books
Solution:
Since, the cost of three books is = 90
Therefore,
The cost of one book will be - Price/ Quantity
= 90/3
= 30
Thus,
Cost of 12 books = Cost of 1 book × Number of books
= 30 x 12
= 360
Answer: The total cost of 12 books is Rs 360
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