Question

The speed limit on a highway is 60 miles per hour. A vehicle travels for 2.2 hours on the highway and covers 165 miles. By how many miles per hour is the driver over/under the speed limit? Use formula: Distance =

Answer 1

The vehicle is 15 miles per hour over the speed limit of 60

Step-by-step explanation:

Speed limit = 60 miles per hour

Given

Distance = d =  165 miles

Time = t = 2.2 hours

We will calculate the speed first then will compare it to the speed limit to get how over/under the speed it is.

$Speed=\frac{d}{t}\\=\frac{165}{2.2}\\=75\ miles\ per\ hour$

As we can see that 75>60, the vehicle is over the speed limit.

Speed over speed limit = 75-60 = 15 miles per hour

Hence,

The vehicle is 15 miles per hour over the speed limit of 60

Keywords: Speed, Distance

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