Question 507601
At noon you leave city X driving to city Y at 40mph. Two hours later your friend leaves city Y driving to city X at 60mph. The cities are 380 mile apart. What time do you meet?
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let x=your driving time
x-2= friend's driving time
distance=speed*driving time
40x+60(x-2)=380
40x+60x-120=380
100x=500
x=5 hrs
ans:
You meet your friend at 5 PM