It takes 40 minutes to fill a water tank, and 60 minutes to drain it. How many hours will it take to fill the tank while draining it the entire time?

If 35 gms of pure drug are contained in 150 mls, how many grams are contained in 75 mls?

What is the ratio of the area of abc to the area of triangle qst ... ?

You calculate the average shower length to be 11 minutes and 15 seconds. If everyone in a family of 5 showers daily, how much water would the family use for showering each week? Answer to the nearest litre. (Shower = 10L/minute)

Given: F = { (0, 1), (2, 4), (4, 6), (6, 8) } and G = { (2, 5), (4, 7), (5, 8), (6, 9), (7, 5) } (F - G) (6) =

Yves bought 420 tropical fish for a museum display. He bought 6 times as many parrotfish as angelfish.

Cylinders Q and P are both right circular cylinders. The height of cylinder Q is 3 times the height of cylinder P, and the radius of cylinder Q is 2 times the radius of Cylinder P.

The diameter of a US penny is 3/4 inch. How many pennies would it take to make a row of 42 inches long? The ratio of golf balls to tennis balls in the coach's bag is 20 to 5.

27 is 3 times as many as what number?

What is 3 root of 125

Apply the distributive property to expand the expression. 9 (2+5m)