SOLUTION: I'm so glad that you guys are here to help. So the problem is : Two planes left Seattle at the same time, both traveling due east. One had a rate of 185 mi/h and the other

Question 23960: I'm so glad that you guys are here to help. So the problem is :
Two planes left Seattle at the same time, both traveling due east. One had a rate of 185 mi/h and the others rate was 225 mi/h. After how many hours were they 220 miles apart?

If you guys could please help me with this problem, i would greatly appreciate it.
Answer by PeterC(8) (Show Source): You can put this solution on YOUR website!
Since both planes travel along the same "line" (due east), the distance between them increases at the rate of 225 mi/h - 185 mi/h = 40 mi/h. The time required for a separation of 220 miles is: 220 mi / (40 mi/h) = 5.5 h
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