Using the three stages of problem solving what is the answer to this question. Terry is buying juice for a fruit punch. He needs 3 liters of juice. A half-liter of juice costs $2.39. A 250 mL container of juice costs $1.69. What should Terry buy so he gets 3 liters at the lowest price?

Question

Using the three stages of problem solving what is the answer to this question.  Terry is buying juice for a fruit punch. He needs 3 liters of juice. A half-liter of juice costs $2.39. A 250 mL container of juice costs $1.69. What should Terry buy so he gets 3 liters at the lowest price?

agent0smith · Answer

Any ideas at all?

kc_kennylau · Answer

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kc_kennylau · Answer

You can let the number of half-litres be x, and express the number of 250mLs in terms of x, and then find the total cost in terms of x.