SOLUTION: Increasing the average speed of the Pickerinton Express Bus by 13 km/h resulted in the 260 km trip taking an hour less than before. What was the original average speed of the bus?

Question 26982: Increasing the average speed of the Pickerinton Express Bus by 13 km/h resulted in the 260 km trip taking an hour less than before. What was the original average speed of the bus?
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!

260[(x)-(x+13)=(x)(x+10)

a=1, b=13, c=-3380

or
x=-65 or x=52

Remove the negative x=52.
Hence, the speed of the bus is 52km/h.
Paul.
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