Question 4 • Common Core Math 7 A-IC
Compare the costs using the same time period. Water World’s 18-month membership costs $350 ÷ 18 ≈ $19.44 per month, while Aqua Plus costs $479.76 ÷ 24 ≈ $19.99 per month. Therefore, Water World has the lower-priced offer at about $19.44 per month.
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