Question 1140347
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The product  radius * angular speed is THE SAME for every such a transmission 

    (because the linear speed of the two circular gears is the same (!) )


Therefore,  6 inches * 5 revolutions = 10 inches * x revolution,


which gives you the number of revolution of the larger gear  x = {{{(6*5)/10}}} = 3.    <U>ANSWER</U>
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Solved.