Set 6: Linear Equations

Explanation

Answer: D

A car travels at 60 mph. How many hours will it take to travel 240 miles?

Trains leave station from opposite directions. Train A: 60mph, Train B: 90mph. How long until 450 miles apart?

How many hours?

✓ Correct

Detailed Explanation

Choice D is correct. d = rt. 240 = 60 t. Divide by 60: t = 4.

Key Steps:

•

The correct answer is 4

Why others are wrong:

A: Choice A is incorrect and may result from a calculation error.

B: Choice B is incorrect and may result from a calculation error.

C: Choice C is incorrect and may result from a calculation error.

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