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cost of 15 books is 2250
cost of 9 books is ??
so by cross multiplication 9×2250/15
=1350
if you need other ans please increase the points
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Answer:
Rs. 1350
Step-by-step explanation:
Cost of 15 books = Rs. 2250
Coat of 1 book = Rs. 2250/15
= Rs. 150
Cost of 9 books = Rs. 150×9
= Rs. 1350
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