Driving across country, mike drove for 3 hours at a certain rate and for 4 hours at a rate 10 mph faster. if his total distance covered was 495 miles, then what was his slower rate?

65 mph

Step-by-step explanation:

Let x mph be Mike's slower rate, then his faster rate is x+10 mph.

1. Mike drove for 3 hours at a slower rate, thus he drove

2. Mike drove for 4 hours ar a faster rate, so he drove

3. In total he drove 495 miles. Hence

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