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 co

Question

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?

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Doris 4 years 2021-07-18T10:10:59+00:00 1 Answers 15 views 0

Answers ( )

  1. Latifah
    0
    2021-07-18T10:12:32+00:00
    Reply

    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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