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Inequality

The Earth tra...

Question

The Earth travels around the Sun at a speed of approximately $18.5$ miles per second. This approximate speed is how many miles per hour?

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Solution

Answer
speed=66,600 miles/hr
Explanation:
$\Rightarrow 1 s \to 18.5$ miles
$\Rightarrow 60 s \to (18.5 .60)$ miles
$i . e, 1 m i n \to 1110 m i l e s$
$\Rightarrow 60 m i n \to (110. 60)$
$. i . e, h r \to 66, 600 m i l e s$

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