Free Practice Question
PS · Problem Solving
655-705
Distance/Rate Problems
While traveling on a highway, Hermione and Draco passed checkpoint R at 8 am and 9 am, moving at speeds of 35 mph and 45 mph respectively. Professor McGonagall began cycling in the same direction from point S at 7 am at 20 mph. If Hermione and Draco met each other at S, what distance from S did Draco meet Professor?
Answer Choices
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50
B
70
C
90
D
130
E
150
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Explanation
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Difficulty
655-705
Type
PS
Category