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Question

Read the given problem statement and conclusion. Determine if the problem can be solved using the expression 35×453.
Problem: A cyclist covered 453 miles in the first 2 hours. In the 3rd hour, he traveled 35 times the distance he covered in the first two hours. Find the distance covered in the 3rd hour.

Conclusion: The distance traveled by the cyclist in the 3rd hour is less than 3 miles.

A
Both options A and B are correct.
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B
The problem can be solved using the expression 35×453
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C
The conclusion to the given problem is correct.
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D
The given problem cannot be solved using the expression 35×453
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Solution

The correct option is B The problem can be solved using the expression 35×453
Distance covered in the first 2 h=453 mi
Distance covered in the 3rd hour =35 times the distance covered in the first two hours.
=35×453
So, this problem can be solved using the given expression. Hence, option A is correct.

Now, to verify the conclusion,
Let’s convert 453into an improper fraction.
453=4+53=4×31×3+53=123+53=173
35×453=35×173=5115
Write 5115 as a mixed fraction.

Mixed fraction=quotient×reminderdivisor=3615
Therefore, 5115=3615, which is greater than 3
The distance traveled by the cyclist in the 3rd hour is greater than 3 miles. Hence, the given conclusion is incorrect.


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