SOLUTION: to travel from singapore to kuala lampur ,a distance of 390km , motorist finds that if he travels 6 km/h faster than its usual average speed,he will take 15 minutes less to complet

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Question 1011063: to travel from singapore to kuala lampur ,a distance of 390km , motorist finds that if he travels 6 km/h faster than its usual average speed,he will take 15 minutes less to complete his usual journey . Calculate the usual avergae speed of the motorist
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Read and study the solution posted the first time for this same question.
Same as question number 1011058

Do you realize that you do not always NEED to solve a question like this purely symbolically first? You can use the given values earlier if you want to. There are reasons for purely symbolic solutions. One reason is that the question type is so common and so many examples fit the same form.