Question

If the cost of 12 notebooks is rupees 240 what is the cost of 10 such books? Grade 5 ​

Answer 1

Given: The cost of $12$notebooks is rupees$240$.

We have to find the cost of $10$such books.

We are solving in the following way:

We have,

The cost of $12$notebooks is rupees$240$.

So, the cost of one book will be:

$=>\frac{240}{12} \\\\=>20$

Hence, the cost of one book is Rs.$20$

The cost of $10$such books will be:

$=>10\times20\\=>200$

Hence, the cost of $10$such books will be Rs.$200$

Answer 2

Answer:

The cost of 10 books is rupees $200$.

Step-by-step explanation:

Given-

The cost of 12 notebooks is rupees 240

To find-

The cost of 10 books

Solution-

The cost of 12 notebooks = rupees $240$

The cost of 1 notebooks = $\frac{The \:cost \:of \:12 \:notebooks}{12}$

The cost of 1 notebooks = $\frac{240}{12}$

The cost of 1 notebooks = rupees $20$

The cost of 10 books = The cost of 1 notebooks  × 10

The cost of 10 books = $20\times10$

The cost of 10 books = rupees $200$

∴ The cost of 10 books is rupees $200$.