A 500-gram bag of granola costs $4, and a 2-kilogram bag of granola costs $15. What is the least expensive way to buy 2,000 grams of granola? Explain.

Question

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DrBob222 · Answer

You pay $4 for 500 g so you will pay $4 x (2,000/500) = 4 x 4 = $16 if you buy 4 bags. You can buy it in 2,000 g bags for $15. Which do you want to do?

Blah blah blah · Answer

So what’s the answer