r > s > 0 ; Quantity A = rs / r and Quantity B = rs / s

What is the maximum number of half-point bottles of cream that can be filled with a 4-gallon can of cream ? (...

There are 200 questions on a 3-hour examination . Among these questions 50 are mathematics problems. It is sug...

x = 2y + 3 and y = -2 ; Quantity A = x and Quantity B = -1

In a group of 15 , 7 have studied Latin , 8 have studied Greek, and 3 have not studied either . How many of th...

If 13 =13w / ( 1 - w ), then ( 2w )2 =

Your doctor gives you pills to take one for every half hour. How long does it require to take all the pills ?