A box made of sheet metal costs Rs 1620 at Rs 30 per square metre.if the box is 5 m long and 3m wide,find its height
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30Rs=1m^2
1620Rs=1620/30=54m^2
54=2(15+3h+5h)
27=15+8h
8h=12
h=1.5m
1620Rs=1620/30=54m^2
54=2(15+3h+5h)
27=15+8h
8h=12
h=1.5m
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