amit had to paint a wall. he painted 20% of the wall, ahmad came and 0ainted 75 sqm of the wall.if 55 % wall is the left unpainted. how many sqare metres of wall amit painted.
Answers
Answer:
amit paint 52 sq meter
Step-by-step explanation:
amit = 20%
amit and ahmad = 45%
ahmad = 75 sq meter ( 25%)
1% of wall is 75/25 = 13/5
amit = 20%
13/5 x 20 = 52 sq meter
THUS , AMIT PAINTED 52 SQ METER OF THE WALL.
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Amit painted 60 square meters of the wall.
Explanation:
Let x denotes the total area of the wall ( in square meters).
Area of the wall painted by Amit = 20% of x= 0.20x [Divide percent by 100 to convert it into decimal] (1)
Area of the wall painted by Ahmad = 75 square meters
Area of the wall left unpainted = 55% of x= 0.55x
According to the question , we have
Total area=Area of the wall painted by Amit +Area of the wall painted by Ahmad+Area of the wall left unpainted
Area of the wall painted by Amit = 0.20(300) [from (1)]
= 60 square meters
Therefore , Amit painted 60 square meters of the wall.
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