How do you write the equation for this: A bus traveled on a level road for 3 hours at an average spped 20 miles per hour faster than it traveled on a winding road. The time spent on the winding road was 4 hours. Find the average speed on the level road if the entire trip was 305 miles.

Question

anonymous · Answer

yikes i need pencil and paper cannot do this in my head today

anonymous · Answer

I think I can solve it I'm just not sure how to write the equation in the d=rt form.

anonymous · Answer

x = speed on the winding road

$$305 = 3(20 + x) + 4x = 60 + 7x$$$$x =  35$$Speed on level road is $$35 + 20 = 55$$

anonymous · Answer

that was snappy

anonymous · Answer

Thank you very much!!!!!