Question

If 12 apples cost Rs.30 ,what is the cost of 28 apples?i)write whether given case in direct or inverse variation ii)Use arrow method or unitary method​

Answer 1

Answer:

Given case is in direct variation.

(ii) cost of 12 apples = 30

Cost of 1 apple = 30/12

Therefore,

Cost of 28 apples = 30/12 *28

= Rs 70

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