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Kevin bought 3 bags of gravel to cover the bottom of his fish tank. He has 6 pounds of gravel left over. How much gravel did Kevin use to cover the bottom of the tank? Kevin used pounds of gravel.

Respuesta :

Answer:

Amount of gravel used = (3x - 6) pound

Step-by-step explanation:

Given:

Amount of beg = 3

Each bag contain gravel = x pound

Left amount of gravel = 6 pound

Find:

Amount of gravel used

Computation:

Amount of gravel used = (Amount of beg)(Each bag contain gravel) - Left amount of gravel

Amount of gravel used = (3)(x) - 6

Amount of gravel used = (3x - 6) pound

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