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Mathematics 8 Online
OpenStudy (anonymous):

A worker in an assembly line takes 3 hours to make 12 parts. How many parts will he make in 18 hours?

OpenStudy (shadowlegendx):

\[\frac{ 3 }{ 18 } ---> \frac{ 12 }{ ? }\]

OpenStudy (shadowlegendx):

3hrs to 12 parts 18hrs to ?parts

OpenStudy (anonymous):

Thank you

OpenStudy (shadowlegendx):

3hrs = 12parts Divide both sides by 3 1hour = 4parts So if for every hour, you get 4 parts, how many parts do you get in 18hrs? Just multiply 4 by 18 and you will get 72

OpenStudy (shadowlegendx):

72parts per 18hrs

OpenStudy (shadowlegendx):

@Jayde_Brar

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