190k views
4 votes
The amount In a savings account increased from $300 to $309. What was the percent of increase?

User Elseine
by
8.5k points

1 Answer

4 votes
1st Method: Increase formula = (last value- first value)/(first value)

increase = (309-300)/300 = 9/300 = 3/100 = 0.03 or 3%

2nd Method: 309/300 = 103/100 = 1.03 (increase over 1 is 0.03 = 3%)
User SpencerPark
by
8.0k points