Laurel went swimming 7 times in 3 weeks. one time she swam for 1 1/2 hours. The other 6 times she swam for 30 minutes each time. How many hours did Laurel swim in 3 weeks?

A golf retailer purchases its clubs from a wholesaler at $40 per club. It sells the same clubs to golfers at $78 per club. What is the markup on each club, as a percentage of the wholesale price?

How much is one pound

Irene thinks she has space for a 45-inch wide bookcase. it turns out that she only has space for a 40 inch wide bookcase. what is the present error in Irene's measurement

What number is 20% of 700?

What is the solution of 2-3?

Use each number exactly once to write an expression using +,-, x and or division that is equal to 24.

What is the correct order of these numbers ... 5/6, 12/13, 0.8

Which number is 14,903 500/6000

Evaluate C (n, n). 0 1 n

Two different plants that grow each month at different rates are represented by the functions f (x) and g (x).