Question

Concrete is made from sand and cement. 20kg of concrete containe 15kg of sand. Find the ratio of sand to cement in its simplest form
GPT 3.5
To find the ratio of sand to cement, we divide the weight of sand by the weight of cement.

15kg sand / (20kg - 15kg) cement = 15kg sand / 5kg cement = 3 sand / 1 cement

The ratio of sand to cement is 3:1.

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