3. Emma purchased a bicycle at a garage sale for $56. She later sold the bicycle online for $85.What was the percent increase of the price of the bicycle?

51.7857143% increase is the percent increase of the price of the bicycle.

Step-by-step Explanation on finding percent increase using this question:

Formula needed:

% increase = 100 x (final-initial)/ | initial |

1. % increase = 100 x (85-56)/56

2.% increase = 100 x 29/56

3. % increase = 100 x 0.517857143

4. % increase = 51.17857143 (final answer)

Round if told by directions to do so.

15

step-by-step explanation: