Two taps a and b fill a swimming pool together in two hours. alone, it takes tap a three hours less than b to fill the same pool. how many hours does it take each tap to fill the pool separately?

12 is 33 1/3% of 36 what is the whole

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?