Question 837464
patrick drove 6 hours to attend a meeting. if his return speed was 12 mph less, and took 8 hours, what were his two speeds 
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let x=speed to meeting
x-12=return speed
Distance=speed*travel time
...
6x=8(x-12)
6x=8x-96
2x=96
x=48
x-12=36
speed to meeting=48 mph
return speed=36 mph