Lina makes fruit salad using a ratio of 2 blueberries and 6 strawberries. Give 2 different unit rates using this relationship. How many blueberries are needed if fifteen strawberries are used
The first unit rate we can find is the ratio of blueberries to strawberries, which is 2 blueberries for every 6 strawberries. Simplifying this ratio, we can say that for every 3 strawberries, there is 1 blueberry. So, the unit rate is 1 blueberry for every 3 strawberries.
The second unit rate we can find is the ratio of strawberries to blueberries, which is 6 strawberries for every 2 blueberries. Simplifying this ratio, we can say that for every 1 blueberry, there are 3 strawberries. So, the unit rate is 3 strawberries for every 1 blueberry.
If fifteen strawberries are used, we can use the first unit rate to find how many blueberries are needed. Since the unit rate is 1 blueberry for every 3 strawberries, we can divide 15 strawberries by 3 to find the number of blueberries needed.
15 strawberries ÷ 3 strawberries/blueberry = 5 blueberries
Therefore, if fifteen strawberries are used, 5 blueberries are needed.