Asked by Dave
Amy leaves home at the same time every morning and gets to school exactly at 8 AM. If she traveled at 70 meters per minute she would arrive 10 minutes early. If she traveled at 60 meters per minute she would arrive 8 minutes early. What time does Amy leave home each morning?
Answers
Answered by
Steve
If she travels x minutes at 70m/min, then the distance is 70x meters. It takes her 2 minutes longer at 60m/min.
70x = 60(x+2)
x = 12
So, the distance is 840 meters.
Her normal speed takes her 22 minutes, so she leaves at 7:38
70x = 60(x+2)
x = 12
So, the distance is 840 meters.
Her normal speed takes her 22 minutes, so she leaves at 7:38
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