SOLUTION: Write a proportion for the story problem & solve. Ten years ago Mr.Owens had a small cavity filled for $60. The cost to replace the filling is $80. Find the percent of increase to

Algebra ->  Proportions -> SOLUTION: Write a proportion for the story problem & solve. Ten years ago Mr.Owens had a small cavity filled for $60. The cost to replace the filling is $80. Find the percent of increase to      Log On


   



Question 402560: Write a proportion for the story problem & solve.
Ten years ago Mr.Owens had a small cavity filled for $60. The cost to replace the filling is $80. Find the percent of increase to the nearest whole percent.

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
The percent increase is 20%2F60+%2A+100 = 67%