Question

michelle practiced all week to improve her typing speed. she estimated she could type 27 words per minute. when she took her typing test, she actually typed 30 words per minute. what is the percent error for michelles estimate?
if necessary, round your answer to the nearest tenth of a percent.
____%

Explanation:

Step1: Find absolute error

$|30 - 27| = 3$

Step2: Calculate percent error

$\frac{3}{30} \times 100\% = 10.0\%$

Answer:

10.0