Question

22.5 kg of rice has 4.5 kg of sand mixed in it. What is the ratio of quantity of sand to rice? Express the ratio as a percentage.?​

Answer 1

Step-by-step explanation:

See this attachment..

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Answer 2

Answer:

Quantity of pure rice = 22.5kg - 4.5 kg. = 18.0 kg.

quantity of sand/quantity of rice = 4.5kg/18.0kg = 1/4 or 1 : 4.

Percentage of sand = {1/(1+4)} × 100 = 20.%.

Percentage of rice = {4/(1+4)} × 100 = 80%. ,