SOLUTION: Ronald and Hermione started running toward each other, Ronald at 18 yards per minute and Hermione at 16 yards per minute. If they were 680 yards apart when they started running, ho

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Question 282926: Ronald and Hermione started running toward each other, Ronald at 18 yards per minute and Hermione at 16 yards per minute. If they were 680 yards apart when they started running, how long did it take for them to collide? (begin by drawing a diagram of distances traveled and writing a distance equation.)
Answer by Greenfinch(383) About Me  (Show Source):
You can put this solution on YOUR website!
Closing speed is 18 + 16 yards = 34 yards/minute
so it takes 20 minutes to cover 680 yards