Francine uses \dfrac23 3

2

start fraction, 2, divided by, 3, end fraction cup of pineapple juice for every \dfrac13

3

1

start fraction, 1, divided by, 3, end fraction cup of orange juice to make a smoothie.

Enter the number of cups of pineapple juice Francine uses for 111 cup of orange juice.

cup of pineapple juice.

Step-by-step explanation:

We are told that Francine uses 2/3 cup of pineapple juice for every 1/3 cup of orange juice to make a smoothie. In order to get  the number of cups of pineapple juice Francine will use for 1 cup of orange juice, we will  apply the following expression;

2/3 cup of pineapple juice = 1/3 cups of orange juice

1 cup of pineapple juice = x cups of orange juice

Cross multiply

divide both sides of the equation by 3

divide both sides by 2

Hence Francine uses number of cups of pineapple juice for 1 cup of orange juice.

d

step-by-step explanation:

c

step-by-step explanation: