SOLUTION: john drove 6 hours before stopping to eat. after lunch,he increased his speed 10 mph. if he completed the 380-mile trip in 8 hours of driving time how fast did he drive in the afte
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Question 623563: john drove 6 hours before stopping to eat. after lunch,he increased his speed 10 mph. if he completed the 380-mile trip in 8 hours of driving time how fast did he drive in the afternoon? Answer by solver91311(24713) (Show Source):
Distance equals rate times time. If we let represent the speed in the afternoon, the distance he traveled in the morning is and the distance he traveled in the afternoon is . These two distances add up to 380, so:
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John
My calculator said it, I believe it, that settles it
