SAT Math Practice Question #34464 - SATify | SATify
#34464
proportion
ratio
hard
90 sec
A box contains red and blue pens. The ratio of red pens to blue pens is 2 to 3. If 6 red pens are added to the box, the new ratio of red pens to blue pens becomes 4 to 5. How many blue pens 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.