Question

A car's speedometer is reading 55 miles per hour. The percent of error is 5%. What is the actual speed of the car? Round your answer to the nearest mile per hour.

A) 51 or 54 mph
B) 50 or 60 mph
C) 53 or 56 mph
D) 52 or 58 mph

Answer 1

Answer: D

Solution: 55 times 5%=2.75%
2.75% + 55=57.75

Answer 2

55 x 5% is 2.75 so 2.75 + 55 is 57.75 so its probably D