Two swim clubs are having a membership sale. Aqua Plus is offering a two-year membership for $237.36. Water World is offering an 18-month membership for $184.50. Which describes the swim club that has the lower-priced offer?

Compare the monthly costs by dividing each membership price by its number of months. Aqua Plus costs $237.36 ÷ 24 = $9.89 per month, while Water World costs $184.50 ÷ 18 = $10.25 per month. Since $9.89 is lower, Aqua Plus has the lower-priced offer: $9.89 per month.

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