30% of 40% is equal to 20% of what?

Ratinal numbers are real numbers

A road crew must repave a road that is seven eights miles long. They can repave one fifty six miles each hour. How long will it take the crew to repave the road? Write your answer in simplest form.

Miguels physical eduction class lasts for 3/4 of an hour. today they spent 3/4 of that time playing dodge ball. what fraction of an hour did he spend playing dodge ball?

A shuttle suit, designed to let astronauts walk on the moon's surface, has a force of gravity of 228.2 N. What is the force in pounds? Round to the nearest tenth. A. 43.4 B. 71.2 C. 55.4 D. 51.3

Solve the proportion 5/3c equals 1/6

3 pumps, working 8 hours a day, can empty a tank in 2 days. how many hours a day must 4 pumps work to empty the tank in 1 day?

Shane's mother is training for a marathon. on saturdays, she does a 10 mile run in 90 minutes. what is her average speed in miles per hour?

Classify the quadrilateral explain how you can prove that the quadrilateral is that type?

What is a perimeter in a regular pentagon 3in

A researcher believes that eating all organic foods will improve blood pressure. So, the researcher studies groups as their diet is altered. Describe the independent variable (treatment variable) and the dependent variable (the variable of interest).