Question 779383

Mulder leaves the office at 8:30am averaging 65mph. Scully leaves at 9:00am following the same path and averaging 68mph. At what time will Scully catch up with Mulder?
Cant figure out how to write this as an equation to solve. Thank you so much!


Let the time that it takes Scully to catch up with Mulder be T


Then time it'll take Mulder to get to catch-up point = T + 30 minutes, or {{{T + 30/60}}} hour, or {{{T + 1/2}}}


Create a DISTANCE equation, since Scully's distance, equals Mulder's distance. Since D = ST (distance = speed * time), this translates to:


{{{68T = 65(T + 1/2)}}}


{{{68T = 65T + 65/2}}}


{{{136T = 130T + 65}}} ------ Multiplying by LCD, 2


Solve for T and this should give you the time that it'll take Sculler to catch up with Mulder. Add this to 9:00 AM to determine the ACTUAL TIME Sculler catches up to Mulder.


You then do a check!! 


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