If 3.64 g of sand is separated from 5.24 g of a mixture of salt and sand, what is the percentage of sand in the sample?

69.5%

Explanation:

We know that the total weight of the mixture of sand and salt = 5.24 g

the weight of the separated sand = 3.64 g

and the weight of the salt in the mixture = 5.24 - 3.64 = 1.6 g

So the percentage of sand in the mixture = (3.64/5.24) * 100 = 69.46

Therefore, the percentage of sand in the given 5.24 grams mixture of salt and sand is 69.5%.

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