Remember: higher risk means you wait less time to get more money.
So I would go with A
Answer:
90% Solution
Step-by-step explanation:
5% of 90 + 90% of x = 75% of (90 + x)
5×90/100 + 90x/100 = 75×90/100 + 75x/100
Or 90x/100 - 75x/100 = 75×90/100 - 5×90/100
Or 15x/100 = 90×70/100
Or X = 420ml
You Will Need ML Of The 90% Solution To Obtain ML Of The Desired 75% Solution.
