SOLUTION: joe left london traveling 67 mph john left some time later driving at 76 mph. john caught up after 7 hours with joe . how long was joe driving before john caught up with him ?

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Question 1066659: joe left london traveling 67 mph john left some time later driving at 76 mph. john caught up after 7 hours with joe . how long was joe driving before john caught up with him ?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
            SPEED       TIME     DISTANCE

JOE           67         t+7        d

JOHN          76          t         d

Joe and John each traveled the same distance d upon catchup by John.
67%28t%2B7%29=76t

Answer by ikleyn(52915) About Me  (Show Source):
You can put this solution on YOUR website!
.
joe left london traveling 67 mph john left some time later driving at 76 mph. john caught up after 7 hours with joe .
how long was joe driving before john caught up with him ?
~~~~~~~~~~~~~~~~~~~~~~

67*t = 76*7.

t = %2876%2A7%29%2F67 = 7.94 hours.

The solution (the equation) by "josgarithmetic" is WRONG.