Sam starts walking from point A at 1 miles per hour. One-half hour later, Paul starts walking from point A at 1.5 miles per hour and follows the same route. How long will it take Paul to catch up with Sam?
A. 60 minutes
B. 65 minutes
C. 55 minutes
D. 70 minutes
Answer: A
Mathematics
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A. 4t - st5 + 16
B. 4st - 
+ 16
C. 4t - 
+ 16
D. 4t - 
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A. x - 144 B. x + 12 C. x - 12 D. 12x - 12
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Choose the value which could represent the slope of the line. Assume that the scale on the x-axis is the same as the scale on the y-axis.
A. -4 B. 4 C. 1 D. -1
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