Question

Mrs. Williams estimates that she will spend $65 on
school supplies. She actually spends $73. What is the
percent error? Round to the nearest tenth if
necessary.

Answer 1

Answer:

Estimates: $65

Actually: $73

65 / 73

= 0.9 (round to nearest tenth)  

I hope this helps, I may be wrong. Somebody can correct me if I am wrong. :)