On Call 3.5 hours: $10 Talk Time 1/2 hours: $1.25 What is the unit rate in dollars per hour for each company?
1 answer:
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For this case we have that by definition, the volume of a sphere is given by:
Where:
r: It is the radius of the sphere
According to the statement we have to:
So the volume is:
Rounding we have that the volume of the sphere is:
Answer:
Option B