SOLUTION: adding cheese to aquarter pounder increases the fat from 23 grams to 32 grams. What is the percentage of the increase? I know the answer is 39% but I cannot work it out correctly

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> SOLUTION: adding cheese to aquarter pounder increases the fat from 23 grams to 32 grams. What is the percentage of the increase? I know the answer is 39% but I cannot work it out correctly      Log On


   

Question 20060: adding cheese to aquarter pounder increases the fat from 23 grams to 32 grams. What is the percentage of the increase? I know the answer is 39% but I cannot work it out correctly. Please help.
Answer by kunal_122(19) About Me  (Show Source):
You can put this solution on YOUR website!
first you find the differnce
that is 32-23=9
now u divide 23 by and * by 100
that 23/9*100
which is 0.391*100
that is 39.1% or 39%