the length of a wall is 9m.Its breadth is 5 m.If it costs $5 to paint the 1m² of the wall,how much will it cost to paint the whole wall?
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Answer:
Step-by-step explanation:
l=9m
b=5m
total area of wall=45m^2
cost for 1m^2=5dollar
cost for 45m^2=45*5
=225 dollar
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