What is the sum of 7 and 3 sixteenths plus 3 and three fourths

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.

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

Find the smallest number by which the given number should be divided to make a perfect cube(with steps or the answer will get reported) a.108 b.2187