bhandariasmita055
Answered

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Group C
(4 x 6 = 2
17. If the cost of 8 book is Rs 520, find the cost of 10 books.​

Sagot :

saikamalvk

cost of 8 books = 520 AED

we can do this using direct proportion

8/520 , 10/x

(cross multiply

= 8x = 520 x 10

= 8 x 5200

x = 5200/8

x =  650 AED

therfore,

cost of 10 books is 650.

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