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There were 400 lb of coal at a factory. Every day, 50 pounds were used. Express by a formula the dependence of the quantity of coal, p, in pounds, on time, t, in days.
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There were 400 lb of coal at a factory. Every day, 50 pounds were used. Express by a formula the dependence of the quantity of coal, p, in pounds, on time, t, in days.

User Akash Ranjan
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T=p÷50 or 8 days 400/50=8
User Wesgarrison
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