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Direct Linear Variation-

Amelia paid $252 for 28 cases of granola bars for the snack bar. The total cost varies directly with the number of cases purchase. How much will she pay for 10 cases of granola bars?



Answer :

This question requires you find the total cost per case
28x=252
divide 28 from each side
x=9
Multiply 9 by 10 to get your answer of $90

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