Of the 500 balls in a large bag, 80 \% are red and the rest are blue. How many of the red balls must be removed from the bag so that 75 \% of the remaining balls are red?
Answer Choices
A. 25
B. 50
C. 75
D. 100
E. 150
Of the 500 balls in a large bag, 80 \% are red and the rest are blue. How many of the red balls must be removed from the bag so that 75 \% of the remaining balls are red?
Answer Choices
A. 25
B. 50
C. 75
D. 100
E. 150