Question 80361
Tom walked to the meeting at 2 miles per hour and caught a ride home in an old truck at 10 miles per hour.  How far was it to the meeting place if his total travel time was 18 hours?
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Let time at 2 mph be "x" ; distance walked = rt= 2x miles
Time at 10 mph is "18-x" ; distace by truck = rt= 10(18-x)=180-10x miles

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distance walked = distance rode
2x=180-10x
12x=180
x=15 hrs
Distance to the meeting place = 15 hrs*2mph = 30 mi
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Cheers,
Stan H>