Question

Gia needs to buy a window shade to cover a window in her living room. She measured the width of the window shade as 70 inches. The actual measurement is 75 inches. What is Gia's percent error? Round your answer to the nearest tenth. Plz show work and explain.

A. 6.7%
B. 7.1%
C. 19.3%
D. 20.7%

Answer 1

The correct answer is A
70/75 × 100 = 93.33333%
100% – 93.33333% = 6.66667% (to 1dp it's 6.7%)