Question

Concrete contains sand, cement and lime in the
ratio 5:3:2. Find the percentage of cement in
concrete.​

Answer 1

Answer:

Ratio of sand , cement and lime in concrete = 5:3:2

Sum of the ratio = 5 + 3 + 2 = 10

Percentage of cement in concrete = 3/10 × 100%

= 30%

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Answer 2

Answer:

Step-by-step explanation: