Question

Derek estimated the cost of his grocery bill to be $75, but it actually cost $110. Find the percent error rounded to the nearest whole percent.

Answer 1

 The absolute change in price was $12−$8=$4.  Relative to the original price, it was 412, which is 0.3333 or 33.33%.

The answer was 1,150.0 but as a whole number its 1,150.