10
algebra

A gym charges a $50 fee plus $10/month. Another gym charges $50 fee plus $10/month. When are the costs different?

A

Never

B

Always

C

After 12 months

D

After 1 month

Correct Answer: A

Choice Dhoice C is the correct answer.

  1. Equation: 10x+50=10x+5010x + 50 = 10x + 50
  2. Analyze: This is an identity. The costs are ALWAYS the same, so they are NEVER different.

Choice Dhoice B is incorrect because they are the same.

Choice Dhoice C is incorrect because they are the same.

Choice Dhoice D is incorrect because they are the same.