SAT Math Practice Question #21244 - SATify | SATify
#21244
data analysis
probability
medium
90 sec
Calculator OK
A box contains 240 items, each of which is either red, blue, or green. If an item is selected at random from the box, the probability of selecting a red item is 0.30, and the probability of selecting a blue item is 0.45. How many green items are in the box?
• 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.