Question

A student’s scale recorded his weight as 160 lb. His weight is actually 164 lb. What is the percent error of the scale?

A. 0.04%
B. 2.4%
C. 2.5%
D. 0.4%

Answer 1

4/160 * 100
= 1/40 * 100
= 100/40
= 10/4
= 2.50%