wendy took a trip from one city to another, a distance of 580 mi. she traveled part of the way by bus, which arrived at the train station just in time for wendy to complete her journey by train. the bus averaged 40 mi/h and the train averaged 65 mi/h the entire trip took 9 1/2h how long did wendy spend on the train

Question

dumbcow · Answer

t1 +t2 = 9.5
40t1 +65t2 = 580

solve system using substitution
---> t2 = 9.5 - t1

40t1 +65(9.5 - t1) = 580

anonymous · Answer

once I find t1 I just subtract that from 9.5 to find my final answer correct?

dumbcow · Answer

yes :)

anonymous · Answer

alright so just to check for t1 I got 1.5 so the final answer would be t2=8

anonymous · Answer

thank you !

dumbcow · Answer

sorry ...and yes you  are correct

anonymous · Answer

alright so just to check for t1 I got 1.5 so the final answer would be t2=8