SOLUTION: Ryan left the science museum and drove south. Gabriella left three hours later drving 42 km/h faster in an effort to catch up to him. After two hours Gabriella finally caught up. F
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Question 557852: Ryan left the science museum and drove south. Gabriella left three hours later drving 42 km/h faster in an effort to catch up to him. After two hours Gabriella finally caught up. Find Ryan's average speed. Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Ryan left the science museum and drove south. Gabriella left three hours later drving 42 km/h faster in an effort to catch up to him. After two hours Gabriella finally caught up. Find Ryan's average speed.
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Ryan's speed = r
In 3 hours, he's 3r miles away.
G caught up to him in 2 hours at 42 km/hr wrt Ryan --> he was 84 km ahead.
3r = 84
r = 28 km/hr
