Percent error is the difference in percent between the estimated cost and the actual cost. So in this case the percent difference between 50 and 65. to find this we need to find out what percent the estimated cost is out of the actual cost, So what percent is 50 out of 65? We can find this by doing the equation 50 / 65, which is 0.76923076923.
This rounds to 0.77, which is 77%
So this means 77% is 50, and 100% is 65. So what is the difference? 100 - 77 = 23. So 23% is your answer.
Answer: 23% error.
Step-by-step explanation:
Percentage error = error in cost/actual cost X 100
Error = $65 - $50
= $15
Therefore, percent error
= 15/65 x 100
= 15 x 100/65
= 1500/65
= 23.07
Therefore, to the nearest whole %
= 23% error.
