SOLUTION: CARLOS'S AVERAGE DRIVING SPEED FOR A 4 HOUR TRIP WAS 50 MILES PER HOUR. DURING THE FIRST 2 HOURS, HE DROVE 60 MILES PER HOUR. WHAT WAS HIS AVERAGE DRIVING SPEED FOR THE LAST 2 HOUR
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Question 291849: CARLOS'S AVERAGE DRIVING SPEED FOR A 4 HOUR TRIP WAS 50 MILES PER HOUR. DURING THE FIRST 2 HOURS, HE DROVE 60 MILES PER HOUR. WHAT WAS HIS AVERAGE DRIVING SPEED FOR THE LAST 2 HOURS OF THE TRIP?
I DON'T KNOW THE STEPS IN SOLVING THIS PROBLEM. PLEASE HELP! Answer by richwmiller(17219) (Show Source):
