20 bags of cement , of 40 kg , cost Rs1800. Find the cost of 15 bags of cement weighing 3 kg each.
Sindhu , 6 Years ago
Grade 6
6 grade maths> 20 bags of cement , of 40 kg , cost Rs180...
1 Answers
Arun
Last Activity: 6 Years ago
Dear Sindhu
20 bafs 40 kg each
Total 20*40 = 800 kg
Thus 800 kg for 1800 rs
Now for 1 kg = 1800/800 = 2.25 rs
Now
15 bags 3 kg each
Total weight = 15*3 = 45 kg
Hence total cost
= 45 * 2.25 = 101.25 Rs
Regards
Arun (askIITians forum expert)
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