In october, jerry read for 3/5 of an hour every day for 20 days. how many more hours did jerry read in october than in september?

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The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

Will give brainliest what is the value of x? enter your answer in the box.

What are the soultion(s) to the quadratic equation 40- x^2=0