SOLUTION: A car leaves a city and goes north at a rate of 50 mi/h at 2 P.M. One hour later a second car leaves, traveling south at a rate of 40 mi/h. At what time will the two cars be 320 mi

SOLUTION: A car leaves a city and goes north at a rate of 50 mi/h at 2 P.M. One hour later a second car leaves, traveling south at a rate of 40 mi/h. At what time will the two cars be 320 mi

Algebra.Com

Question 99185: A car leaves a city and goes north at a rate of 50 mi/h at 2 P.M. One hour later a second car leaves, traveling south at a rate of 40 mi/h. At what time will the two cars be 320 mi apart?
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
50T+40(T-1)=320
50T+40T-40=320
90T=320+40
90T=360
T=360/90
T=4 HOURS AFTER THE FIRST CAR LEAVES. THEY WILL BE 320 MILES APART.
PROOF
50*4+40*3=320
200+120=320
320=320
RELATED QUESTIONS
a car leaves a city and goes north at an average rate of 50 miles per hour at 2 p.m. one... (answered by flame8855)

Solve and show work. At 1:00 p.m., a car leaves a city and travels north at a rate of 55 (answered by Edwin McCravy)

Can someone help me solve this problem? At 1:00 p.m., a car leaves a city and... (answered by stanbon)

At 1:00 p.m., a car leaves a city and travels north at a rate of 55 mi/h. An hour later, (answered by checkley71)

At 1:00 p.m., a car leaves a city and travels north at a rate of 55 mi/h. An hour later, (answered by checkley75)

At 1:00 p.m., a car leaves a city and travels north at a rate of 55 mi/h. An hour later a (answered by checkley75)

At 1:00 p.m., a car leaves a city and travels north at a rate of 55 mi/h. An hour later,... (answered by bucky)

Please help, thank you. At 1:00 p.m., a car leaves a city and travels north at a rate... (answered by nerdybill)

at 1:00 p.m., a car leave a city and travels north at a rate of 55mi/h. An hour later, a (answered by checkley75,josmiceli)