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A solid box with height 90cm, width 60cm and length 30cm needs to be painted.
The paint costs £0.03 per cm2.
How much will it cost to paint the box?

Respuesta :

carolinebukola

Step-by-step explanation:

Area = 2LH + 2LW + 2WH

= 2(LH + LW + WH)

=2(30*90+30*60+60*90)

=2(2700+1800+5400)

=2(9900)

=19800cmsquare

Therefore to paint the solid box it will cost

0.03 * 19800

= £594

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