If Tung wants to buy a bag of granola mix that weighs 7.8 pounds. The bag of granola mix will cost about $72.
Cost price
Using this formula
Cost price=Selling price× Weight in pounds
Where:
Selling price=$8.99
Weight in pounds=7.8 pounds
Cost price=$8.99 x 7.8
Cost price= $70 (Close to $72)
Therefore the bag of granola mix will cost about $72.
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