a mixture of concrete is made up of sand and cement in the ratio of 5:3.how many cubic centimeters of sand is needed to make 160 cubic centimeters of concrete mix
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Answer:
100 cubic centimeters of Sand iss required.
Step-by-step explanation:
Let x be the quantity of the mixture.
Sand : Cement = 5 : 3
⇒ 5x + 3x = 160
8x = 160
x = 20
Sand = 5x = 5(20) = 100 cubic centimeters
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