Math, asked by jahnavijanu1018, 4 months ago

Find the cost of painting of the outer surface of a closed box which is 60cm long,40cm board, and 30cm high at the rate of 50paise per 40cm​

Answers

Answered by girishparmar1998gp
2

Answer:

cost = 50/20× [ 2( lb+bh+hl)]

=50/20× [ 2(60×40+40×30+30×60)]

= 50/20 × [2× 5400]

= 50/20 × 10800

= 27000÷ 100 Rs

= 270 Rs/-


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