Q.No.7:- The weight of 32 magazines is 3 kg. Find the weight of 80 such magazines. (Solve this
Question by Ratio and Proportion method).
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Answer:
the weight of 32magazines = 3kg
the weight of 80 magazines = ?
32 : 3 :: 80 : ? or x
=>3 × 80 = 32 × x
x = 3×80/32 = 7.5 kg//
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