The ratio table below describes the relationship between grapes and blueberries in a fruit salad.Fruit SaladGrapes(cups)Blueberries(cups)214220102412Mandie is making 15 cups of fruit salad. What ratio of grapes to blueberries should she use?

The table shows a consistent ratio of 2 cups of grapes to 1 cup of blueberries. That makes 3 total parts, so each part is 15 ÷ 3 = 5 cups. Mandie should use 2 × 5 = 10 cups of grapes and 1 × 5 = 5 cups of blueberries, giving the ratio 10:5, choice C.

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