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7 October, 05:17

A driver sees this speed limit sign in France. The speed is in kilometres per hour.

130

mile

He is driving at 80 miles per hour.

1 kilometre

He thinks this is below the speed limit.

Is he correct? Explain your answer showing your calculation.

Decision (tick one box) Yes or No

Explanation

+3
Answers (1)
  1. 7 October, 06:30
    0
    Yes, he is driving below the speed limit.

    Step-by-step explanation:

    Speed of the driver = 80 miles/hour

    Speed limit in France = 130 km / hours

    We have to compare both in order to know which is greater. Speed of driver is given in MILES/hour and speed limit is given iin KM/hour To compare, which should have both the speed of driver and speed limit in same units.

    Lets convert the speed of driver in km/hour

    1 mile = 1.61 km

    SO

    Speed of driver (km/hour) = speed of driver (miles/hour) · 1.61

    Speed of driver (km/hour) = 80 (miles/hour) · 1.61

    Speed of driver (km/hour) = 128.8 km/hour

    As speed of driver (128.8 km/hour) is less than the speed limit, he is below the speed limit
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