Pre-Algebra Demystified

18. What percent of 16 is 10?
    (a) 62.5%
    (b) 37.5%
    (c) 12.5%
    (d) 78.5%


19. Solve using a proportion: 32% of 50 is what number?
    (a) 8
    (b) 16
    (c) 24
    (d) 30


20. Solve using a proportion: 16% of what number is 48?
    (a) 3
    (b) 30
    (c) 300
    (d) 3000

164 CHAPTER 8 Ratio and Proportion