A Plane can fly 480 miles in the same time it takes a car to go 180 miles. If the car travels 100 miles per hour slower than the plane find the speed of the plane?

for his long distance phone service, Kevin pays a \$5 monthly fee plus 9 cents per minute. Last month, Kevin's long distance bill was \$15.98. For how many minutes was kevin billed?

The average annual tuition and fees at all 4-year institutions in the US in 2002 was \$17,800 and in 2011 was \$24,000. Let y be the average tuition and fees in the year x, where x=0 represents...

\$500,000 after taxes half in a 5 year CD paying 6.95% interest monthly and half in a money market that averages 3.5% interest continuously over 5 years. How much altogether at the end of 5 years?...

N= No X t/220  estimate the number of E. Coli, N, of an initial sample of No bacteria after t minutes, at 37 degrees (body temperature) under optimal conditions. How long does it take...

a) How far is the pilot from the tower? Round to the nearest hundredth b) if the pilot is traveling at a rate of 100 m/s, then how long does it take the pilot to fly over the tower?

compuwork, a computer repair company, charges a fee and an hourly charge. After two hours, the repair bill is \$130, and after five hours it is \$250. Write an equation in slope intercept form to describe...