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Teds science class collects aluminum cans to sell to the recycling center. The center pays a fixed amount for each kilogram of aluminum. Write a formula that will help ted determine how much money his group will receive for the cans.

Let t= total amount
n=number of kilograms of cans
a= amount the center pays per kilogram

1 Answer

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t = an

The slope of a line is a rate of increase/decrease. In word problems it will often times be in units per some other units. Multiply by the per units, in this case n.

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