Question

Martha estimated there were 91 marbles in a jar for a contest. The actual number of marbles in the jar was 113. What was the percent error of Martha's estimation?

Answer 1

16.54 % ≈ 17 %

Explanation:

113 - 91 = 22 absolute error in the number of marbles

(22/133)*100 = 16.54 % ≈ 17 % the percent error

Answer 2

19.47% to the nearest hundredth.

Explanation:

Value of the error = 113 - 91 = 22.

Percent error = (22/113) * 100

= 19.47.