The weight of a bag of potatoes is 15 kg, correct to the nearest kg. (a) Write down the smallest possible weight of the bag of potatoes.
(b) Write down the largest possible weight of the bag of potatoes.

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