The distance between r and t on the coordinate grid is units. (input whole numbers only.) image of a coordinate grid with point r r located at negative 30, 10 and point t located at 15, 10.

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups