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Mathematics 8 Online
OpenStudy (anonymous):

When two gears are mashed, the revolutions per minute (rpm) are inversely proportional to the number of teeth as shown below...

OpenStudy (anonymous):

OpenStudy (campbell_st):

(1) 5/7 = 225/x solve for x 5x = 7 times 225 (2) 400/700 = x/ 308 then 700x = 400 times 308

OpenStudy (anonymous):

Got it. Thank you!

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