SOLUTION: The percent of increase is 16%. If the new number is 522, find the original number.

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Question 167145This question is from textbook algebra 1
: The percent of increase is 16%. If the new number is 522, find the original number. This question is from textbook algebra 1

Answer by jojo14344(1513) About Me  (Show Source):
You can put this solution on YOUR website!

let x=the number
so,x%2B0.16%28x%29=522
x%281%2B0.16%29=522
x%2Across%281.16%29%2Fcross%281.16%29=cross%28522%29450%2Fcross%281.16%29
x=450, ANSWER ----> Orig. number
Check,
450%2B0.16%28450%29=522
450%2B72=522
522=522
Thank you,
Jojo