anhquocvu864 anhquocvu864 30-12-2017 Mathematics contestada 1. 15% of 20 is _____. a. 3 b. 30 c. 300 2. 35% of 70 is _____. a. 24.5 b. 50 c. 245 3. 90 is 50% of what number? a. 45 b. 120 c. 180