Paint is sold in 2.5 lit. tins, A litre of paint covers about 25 m2. Estimate the number of tins needed to paint a rectangular wall measuring 17.5m by 4m.
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Answer:
Thus approximately 3 tins of paint are required.
Step-by-step explanation:
A paint tin has quantity of 2.5 L.
One Litre of paint covers 25m² of wall.
We are given that length of wall is 17.5m and breadth of wall is 4m.
Area of the wall is = 17.5 x 4
= 70m²
One tin can cover 25 m² .,i.e., 2.5 litres of paint can cover 25m² of wall.
Now let p be the amount of paint required to cover 70m² of wall.
Amount of paint to paint 70m² area of wall
= 70 x 2.5 / 25
= 175 / 25
= 7 Litres
Thus 7 Litres of paint or approximately 3 tins of paint are required to paint the wall of area 70m².
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