How many

How many cans of blue paint need to be bought if the interior of the garden pool, which is 5 m long, 3 m wide and 1 m deep, is to be painted? There is 1 kg of paint in each can. One can is enough for 8 m2 of area.

Correct answer:

n =  4

Step-by-step explanation:

a=5 m b=3 m c=1 m  S1=8 m2  o=2 a+2 b=2 5+2 3=16 m S=a b+c o=5 3+1 16=31 m2  n1=S/S1=31/8=831=387=3.875  n=n1=3.875=4

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