Question

A rectangular water tank measure 8mx2mx4.5m find the volume of the water that can be stored ity​

Answer 1

Water that can be stored is its total volume

Volume is LBH

=. 8*2*4.5

=. 72 cubic meter

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Answer 2

The length is 2 m, width is 5 m and depth 6 m

Area to be painted is outsides + base = 2(L*D) + 2(w*D) + L*W

= 2(12) + 2(30) + 10

=94 sq m

Amount of paint needed = 94/5.3 = 17.7 liters

Paint is sold in 5 liter tins so number of tins needed = 17.7/5 = 3.5

So 4 tins are needed

Cost of 4 tins = 13.5*4 = 54 pounds