Opposite Direction Travel Speeds
John and Robert depart from the same point at the same time, with John traveling west and Robert traveling east. After one hour, they are 130 miles apart. Which of the following could represent their respective speeds?
A
John: 60 mph, Robert: 70 mph
B
John: 80 mph, Robert: 80 mph
C
John: 50 mph, Robert: 60 mph
D
John: 70 mph, Robert: 50 mph
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