Naomi wants to take yoga classes. She can take classes at the high school for a one-time fee of $20 plus $10 per class. She can join the local gym for $50 and take classes for $5 per class. Which statement is true about the average cost for the two options?

For seven classes, the high school costs $20 + 7($10) = $90, or about $12.86 per class. The gym costs $50 + 7($5) = $85, or about $12.14 per class. Therefore, the gym option costs less per class for seven classes, which is choice D.

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