SAT Math Practice Question #31055 - SATify | SATify
#31055
counting
probability
hard
90 sec
A box contains 12 red balls and an unknown number of blue balls. If the probability of selecting a blue ball at random from the box is 41, and then 3 more blue balls are added to the box, what will be the new probability of selecting a blue ball?
• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-). • Fractions must be in lowest terms. • Mixed numbers must be converted to improper fractions.