SOLUTION: Help solve: act exam rose from 20.6 in 1990 to 21.0 in 1998. What percent increase was this.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Help solve: act exam rose from 20.6 in 1990 to 21.0 in 1998. What percent increase was this.      Log On


   



Question 53108: Help solve:
act exam rose from 20.6 in 1990 to 21.0 in 1998. What percent increase was this.

Found 2 solutions by consc198, ikleyn:
Answer by consc198(59) About Me  (Show Source):
You can put this solution on YOUR website!
21.0 - 20.6 = 0.4
0.4 divided by 20.6 = 0.0144174
Answer = 0.0144174

Answer by ikleyn(53937) About Me  (Show Source):
You can put this solution on YOUR website!
.
Help solve:
act exam rose from 20.6 in 1990 to 21.0 in 1998. What percent increase was this.
~~~~~~~~~~~~~~~~~~~~~~~~~


        Calculations and the answer in the post by @consc198 are incorrect.
        For a correct solution see what follows.


21.0 - 20.6 = 0.4.
0.4 divided by 20.6 is approximately 0.01942.
The percent increase is 1.942%.