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Mathematics 21 Online
OpenStudy (anonymous):

find the more economical purchase vitamin e tablet 200 tablets for 12.99 and 400 for 18.69

OpenStudy (aripotta):

do 200/12.99 and 400/18.69 and see which is the cheapest per tablet

OpenStudy (anonymous):

Divide the price by the amount of tablets, and that's the price per unit for example. Once you get that done, 400 for 18.69 = 0.046 which is the most economical buy. Hope this helped.

OpenStudy (aripotta):

oh derp. sorry lol

OpenStudy (anonymous):

Lol :)

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