Question

horace's speedometer reads 60 miles per hour, but during a road test he finds that he actually driving 58ph . What is the percent error in Horace's speedometer ?

Answer 1

horace thinks his speedometer reads=60mph
horace speedometer reads=58mph
error in horace's speedometer=60-58=2mph

percentage of error,
                                 2/60

Answer 2

Answer:

Percentage error in Horace's speedometer is 3.33%.

Step-by-step explanation:

Horace's Reading of the speedometer = 60 miles per hour

During road test actual speed of Horace = 58 miles per hour

% Error in Horace's speedometer = $\frac{\text{Difference in both the speeds}}{\text{Speedometer reading}}\times 100$

                                                        = $\frac{60-58}{60}\times 100$

                                                        = $\frac{2}{60}\times 100$

                                                        = 3.33%

Therefore, percentage error in Horace's speedometer is 3.33%.

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