Question

if the cost of 3 books is 320 Rs. then what will be the cost of 6 books​

Answer 1

Given :

• The Cost of 3 books is Rs 320

To Find :

• Cost of 6 books

Solution :

✰ In this question, it is given that Cost of 3 books is Rs 320 and we have to find the cost of 6 books. So for finding the cost of 6 books we need the cost of 1 book which we will given by dividing the cost of 3 books with 3 that is 320 ÷ 3 . After getting the cost of 1 book we will Multiple the cost of 1 book with 6 and the required cost is that only.

⠀

⟹ Cost of 3 books = Rs 320

⟹ Cost of 1 book = 320 / 3

⟹ Cost of 1 book = Rs 106.66

Now,

⟼ Cost of 1 book = Rs 106.66

⟼ Cost of 6 books = 106.66 × 6

⟼ Cost of 6 books = Rs 640

Thus Cost of 6 books is Rs 640

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Answer 2

Given

Cost of 3 books =$\bold\orange{320₹}$

Find

Cost of 6 books

Solution

Cost of 3 books=$\bold\pink{320₹}$

∴Cost of 6 books =$\bold\purple{320 × 2}$

Therefore, the cost of 6 books = $\bold\blue{640₹}$

Correct Answer

$\bold\green{640₹}$