proportions, question 4, grade 9

11/07/2016 Grade 9 4,020

4)

Choose the correct answer :

  • The mean proportion x of 4 & 16 is :

a) 4                   b) 8                    c)  \pm 8

  • 20% of 80 is :

a) 16               b) 40                    c) 4