Sarah and Joe are seeking to join a gym. Sarah saw on television that Great Gym is offering membership at $19.50 per month, plus a one-time registration fee of $59. Joe plans to join Wacky Workout World because Wacky Workout World only charges $9.50 per month, plus a one-time registration fee of $149.

an expression to represent the membership cost of Wacky Workout World for x months.
pleasee help me this is due tommorrow

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