ENELYM2183IN ENELYM2183IN Math Answered Determine whether the underlined number is percentage, rate, and base. 1) 20% of 50 is 10.2) Twenty-one is 25% of 84.3) 35% of 90 is 31.5.4) 48 is 40% of 120.5) 0.5% 0f 2000 is 10.