Joann is having a party. She wants to make punch. The recipe for punch uses 4 pints of orange juice, 5 cups of apple juice, 1/2 gallon of lemonade, and 2 quarts of pineapple juice. Joann decides to pour her punch into 1-quart containers to fit into her refrigerator until the party starts. If She fills seven 1-quart containers. How many cups will she have left?

1 cup

Explanation:

1 pints = 2 cups

Since Joann uses 4 pints of orange juice, hence the amount of orange juice in cups = 4 pints * 2 cups per 1 pint = 8 cups

She also uses 5 cups of apple juice.

1 gallon = 16 cups

Since Joann uses 1/2 gallons of lemonade, hence the amount of lemonade in cups = 1/2 gallon * 16 cups per 1 gallon = 8 cups

1 quartz = 4 cups

Since Joann uses 1 quartz of pineapple juice, hence the amount of pineapple juice in cups = 2 quartz * 4 cups per quartz = 8 cups

The total amount of punch in cups = orange juice + apple juice + lemonade + pineapple juice = 8 cups + 5 cups + 8 cups + 8 cups = 29 cups

She fills seven 1-quart containers. The number of cups needed to fill this containers = (1 quartz * 4 cups per quartz) * 7 containers = 28 cups

The amount of cups remaining = 29 cups - 28 cup = 1 cup

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