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24) Mike left the mall and traveled toward the ocean. Two hours later Jessica left traveling 25 km/h faster in effort to catch up to him. After four hours Je

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Andy C. | Math/Physics TutorMath/Physics Tutor
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After 4 hours Jessica caught up to him......
 
Mike travels 6 hours.... Jessica travels 4 hours...
they cover the same distance along the same route.....
Jessica is 25 km.hr faster
 
 distance = rate x time
 Mike distance = Jessica distance
 
6 * r = 4 * (r+25)
 
6r = 4r + 100
 
2r = 100
r=50
 
Mike : 50 km/hr x 6 hours = 300 km
Jessica: 75 km/hr x 4 hours = 300 km