Francine uses 2/3 cup of pineapple juice for every 1/3 cup of orange juice to make a smoothie. what is the number of cups of pineapple juice francine uses for 1 cup of orange juice.

2

Step-by-step explanation:

For every 1/3 cup of orange juice, she uses 2/3 cups

You are solving for  1 cup. To solve, multiply 3/1 to both fractions.

(1/3)(3/1) = 3/3 = 1

(2/3)(3/1) = 6/3 = 2

For every 1 cup of orange juice, 2 cups of pineapple juice is used.

~

4/6 = 2/3

so it should take 3/3 hours per man. so 9 hours is the answer 3*3 =9

step-by-step explanation: