SOLUTION: One hour after Yolanda started walking from X to Y, a distance of 45 miles, Bob started walking along the same road from Y to X. If Yolanda’s walking rate was 3 miles per hour and

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Question 3428: One hour after Yolanda started walking from X to Y, a distance of 45 miles, Bob started walking along the same road from Y to X. If Yolanda’s walking rate was 3 miles per hour and Bob’s was 4 miles per hour, how many miles had Bob walked when they met?
(A) 24
(B) 23
(C) 22
(D) 21
(E) 19.5
Answer by khwang(438) About Me  (Show Source):
You can put this solution on YOUR website!
You may have typing error about 45 miles, I think it should be 42 instead.
It takes T = 42/(3+4) = 6 hrs for them to meet.
And so Bob walked 6*4 = 24 miles.

Kenny