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Jim Drove 252 Miles 1121 \frac { 1 } { 2 }

Question 73

Multiple Choice

Jim drove 252 miles. Jim's brother made the same trip at a speed 14 miles per hour slower than Jim did and required an extra 1121 \frac { 1 } { 2 } hours. Find Jim's rate and time.


A) 56mph,3.5hr\quad 56 \mathrm { mph } , 3.5 \mathrm { hr }
B) 72mph,4.5hr\quad 72 \mathrm { mph } , 4.5 \mathrm { hr }
C) 72mph,3.5hr\quad 72 \mathrm { mph } , 3.5 \mathrm { hr }
D) 56mph,4.5hr\quad 56 \mathrm { mph } , 4.5 \mathrm { hr }
E) not possible

Correct Answer:

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