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Answer:
The answer is B. 105 miles
Step-by-step explanation:
I just used a calculator and put in 30 times a random number until I got 63. So, 30 times 2.1 is 63. Then, I multiplied 50 times 2.1 to get 105 as the answer.
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The correct answers would be both A and C
He used an incorrect time ratio converting hours to minutes.
Take the root of both sides and solve.