(Answered) On a drive from your home to town you wishto average 336

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On a drive from your home to town, you wishto average 33.6 mph. The distance from yourhome to town is 90miles. However, at 45miles(half way), you find you have averaged only25.2 mph.
What average speed must you maintain inthe remaining distance in order to have anoverall average speed of 33.6 mph?Answer in units of mph

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