A box contains 50 balls of three different colors. 15 balls are red and 20% of the balls are blue. Find the number of balls that are neither red nor blue.
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Solution
Total number of balls =50
Number of red balls =15
Number of blue balls =20% of the total number of balls =20% of 50 =20100×50=10
Number of balls that are neither red nor blue =50−(10+15)=25