Line ab has a length of 5 cm. the line segment is dilated to produce line a'b', which has a length of 2 cm. find the scale factor of the dilation. a: k = 2/5 b: k = 1/2 c: k = 5/2 d: k = 2

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