Amit bought 20 postcards for rs 7. Find the cost of 35 postcards.how many postcards can he buy for rs 10.50
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Answer:
Cost of 1 post card= rs 2.8
So 35 postcards = 35 × 2.8
= rs 98
No of Postcards for rs 10.50 = 10.50/ 2.85
= 3.6 so
approximately 3 pens.
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