A plane traveled 510 miles in 1.5 hours. What was the average rate of speed of plane?

Norder to get a certain shade of blue paint, a mixer must have 5 parts white paint to 3 parts blue. if 4 gallons of paint must be mixed, how many gallons of white paint must be used?

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.

At school 460 of the students walk to school the number of students who take public transit is 20% of the number of students who walk. how many students take public transit