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Mathematics 10 Online
OpenStudy (anonymous):

If "a" pens cost "b" dollars, how many dollars would "c" pens cost at the same rate?

OpenStudy (anonymous):

(b/a) * c

OpenStudy (swissgirl):

Correct :) b/a is our rate

OpenStudy (anonymous):

gracias

OpenStudy (anonymous):

denada

OpenStudy (raden):

invers proportion's problem or (bc/a)$ :)

OpenStudy (anonymous):

lol, in one day i get to lvl 45 without even trying

OpenStudy (swissgirl):

Its easy to level up in the beg but then it slows down

OpenStudy (anonymous):

yup

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