Question

How many cans of paint are needed to cover an area of 2,200 square units if one can of paint covers an area of 400 square units? 12 of 60

Answer 1

If one can of paint covers 400 square units, then just divide the total coverage needed by the coverage from 1 can of paint.
2200 / 400 = 5.5
This means 5.5 cans are needed.
But since you can't buy half of a can of paint, that means 6 cans are needed.

Answer 2

6 paint cans are needed.

Given to us,

Total Area = 2,200 units²,

Area one can of paint covers = 400 units²,

Cans of paint are needed to cover total area = $\rm{\dfrac{Total\ Area }{Area\ one\ can\ of\ paint\ covers}}$

Cans of paint are needed to cover total area = $\dfrac{2,200}{400}$ = 5.5 cans

So, 5.5 cans of paint are needed to cover total area 2,200 units², but we know it is not possible to get half paint can. therefore, A total of 6 paint cans are needed to cover an area of 2,200 units².

Hence, 6 paint cans are needed.

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