Set 15: Linear Equations (Advanced)

Explanation

Answer: A

Sam has $100 and spends$ 5 per day. Bob has $40 and saves$ 5 per day. After how many days will they have the same amount?

After how many days?

✓ Correct

Detailed Explanation

Choice A is correct. 100 - 5 d = 40 + 5 d. 100 = 40 + 10 d. 60 = 10 d. d = 6.

Key Steps:

•

The correct answer is 6

Why others are wrong:

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

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

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

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