If it takes one bag of cement to cover 10 sq. meters of path how many bags of cement will you buy to cover a path that is 21 m long and 2.5 m?

If it takes one bag of cement to cover 10 sq. meters of path how many bags of cement will you buy to cover a path that is 21 m long and 2.5 m?
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First you need to work out how many square meters are in thepath. To do that multiply 21 by 2.521 X 2.5 = ?sqmYou know one bag of cement will cover 10 sqm so to find out howmany bag are needed for the path divide the answer of 21 X 2.5 by10?/10 =6 bags
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