SOLUTION: a motorist drives from London to Liverpool. 160 miles in on highway where the motorist averages 62 miles per hour, the remaining 50 miles is on other roads where she averages 48 mi

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Question 879744: a motorist drives from London to Liverpool. 160 miles in on highway where the motorist averages 62 miles per hour, the remaining 50 miles is on other roads where she averages 48 miles per hour.
A) Calculate the total time taken for the journey ?
B) Calculate the average speed for the journey ?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
A) t =160mi%2F%2862mph%29+%2B+50mi%2F%2848mph%29 is total time
B) = 210/t(from above)