Respuesta :

Answer:

29 m/s

Explanation:

65 mi/hr (1 hr/3600s)(5280 ft/mi)(12 in/ft)(2.54 cm/in)(1 m/100cm) = 29.0576

The speed  limit on Highway 85 in meters per seconds is 29.07m/s

Given the speed limit on highway 85 as 65mi/hr

Using the conversion rate:

2.23694 mi/hr = 1m/s

We are to convert 65mi/hr to m/s, we can therefore write:

65mi/hr = x

Divide both expressions

[tex]\frac{2.23594}{65} = \frac{1}{x} \\Cross \ mutiply\\ 2.23594x = 65\\x = \frac{65}{2.23594}\\x = 29.070m/s[/tex]

This shows that the speed  limit on Highway 85 in meters per second is 29.07m/s

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