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Mathematics 14 Online
OpenStudy (anonymous):

OK last solution needed medal and fan

OpenStudy (anonymous):

OpenStudy (thecatman):

c i believe

OpenStudy (thecatman):

not certain

OpenStudy (anonymous):

thx u

OpenStudy (anonymous):

answer is C

OpenStudy (anonymous):

and how did u get c as the result

OpenStudy (anonymous):

i need to learn this SOOOOO bad

OpenStudy (thecatman):

added up the time

OpenStudy (anonymous):

thx u

OpenStudy (thecatman):

you see when it says it took 2 1/2 time the time to finish it means you multipliply 2 1/2 by 18 to get 40 1/2

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