Learning Resources

Using Percentages in Equations and Problem Situations

Answers to Self Test

1. (a) 27
   (b) 2.5
   (c) 28
   (d) 44
   
   
2. 
   
   (a) The total earnings over the three year period are better for Option A.
   (b) The total earnings over the six year period are better for Option B.
   
   
3. $3750
   
   
4. (a) 11%
   
   (b)
   
   (c)      

      (d) It takes more than 6 but less than 7 years to double in value (read value from graph above).