Mark estimates that the distance from his house to his school is 15.5 mi. The actual distance is 14.5 mi. To the nearest tenth of a percent, what is the percent error in Mark's estimate?
Accepted Solution
A:
The error is 1.0 mile, too large.
Write the ratio
1.0 mile --------------- = 0.069 14.5 miles
Mark's estimate is 6.9% greater than the actual distance.