A conveyor belt moves at a constant rate of 12 feet in 3 seconds. A second conveyor belt moves at a constant rate of 21 in 7 sec
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Answer: The mercury is 38 mi far from sun.
Step-by-step explanation:
Let x denotes the distance ( in mi )between the Sun and Mercury .
Distance from Venus to Sun = x+30.9
Distance from Earth = x+30.9+ 23.6 =x+30.9+ 23.6 =x+54.5
When the total of the distances for these plants from the sun is 199.4 mi.
According to the given statements , we have
[Divide both sides by 3]
Hence, the mercury is 38 mi far from sun.