The art club spent $45 on supplies for valentines to sell during lunches. They made 60 valentines. What selling price for a valentine would result in a profit of zero if all the valentines are sold?

To have zero profit, the total money from sales must equal the $45 spent on supplies. Divide $45 by 60 valentines: $45 ÷ 60 = $0.75 per valentine. So the break-even selling price is $0.75, choice B.

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