A grocery store advertises that 15 cups of granola cost $6.75. Which are equivalent prices? Check all that apply.

Find the unit price: $6.75 ÷ 15 = $0.45 per cup. Equivalent prices must charge $0.45 for each cup: 2 × $0.45 = $0.90, 8 × $0.45 = $3.60, and 19 × $0.45 = $8.55. So the equivalent prices are 2 cups for $0.90, 8 cups for $3.60, and 19 cups for $8.55.

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