Answer:
A rational number is a number that can be represented a/b where a and b are integers and b is not equal to 0.
Find the common denominator.
Multiply everything by the common denominator.
Simplify.
Check the answer(s) to make sure there isn't an extraneous solution.
The answer for that is .. 17?
Around 14 weeks
45*14=630
675-630=45
So around 14 weeks
The line from the center of the circle to the outside is called the radius