SOLUTION: If it takes a train 7h to get from Capital City when it travels 40 mi/h,how long would it take the train to go the same distance when it travels 70 mi/h?Would it take 7/4 h,4h, 4/7

Algebra ->  Rational-functions -> SOLUTION: If it takes a train 7h to get from Capital City when it travels 40 mi/h,how long would it take the train to go the same distance when it travels 70 mi/h?Would it take 7/4 h,4h, 4/7      Log On


   

Question 89701: If it takes a train 7h to get from Capital City when it travels 40 mi/h,how long would it take the train to go the same distance when it travels 70 mi/h?Would it take 7/4 h,4h, 4/7 h or 10 h?
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
distance=rate*time so we have d=7*40=280 miles.
280=70T
t=280/70
t=4 hours is the answer.