Question

Amit had to paint a wall . He painted 20 % of the wall . Ahmed came and painted 75 square meter of the wall . If 55% of the wall left unpainted, how many square metershdecoration of wall did amit paint?

Answer 1

Answer:

60sqm

Explanation:

let

the area of wall be X

painted wall by Amit=20%

painted wall by Ahmed=75sqm

left unpainted wall =55%

so,

=>X*25%=75

=>X*25/100=75

=>X=300

now

painted wall by Amit=300*20/100

=60sqm

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