Answer: 40
Step-by-step explanation:
It’s c because when the number of simply it gets u that
An hour and 15 minutes i believe. not 100% though
Answer:
cups of pineapple juice .
Step-by-step explanation:
Equation of direct proportion between x and y:

As per given,
Let x = quantity of pineapple juice and y = quantity of orange juice.
,
, 
Put these values in an equation we get

Hence, he needs
cups of pineapple juice .