Question

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

Answer 1

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➪Cost of 3 books = Rs.320

$Cost \: of \: 1 \: book = \frac{320}{3}$

➪Cost of 6 books =

$= \frac{320}{ \cancel{3}} \times \cancel6 \\ = 320 \times 2 = 640$

➪So the cost of 6 books is Rs. 640.

Answer 2

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if the cost of 3 books is 320 Rs. then what will be the cost of 6 books ?explain it?

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Cost of 3 books = 320

Cost of 6 books = 320*2

Therefore, the cost of 6 books = 640

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