SOLUTION: one angle is twice the size of a second angle. The sum of the angles is 150 degrees. How many degrees are in each angle?

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Question 254256: one angle is twice the size of a second angle.
The sum of the angles is 150 degrees. How many
degrees are in each angle?

Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
Let X = first angle and Y = second angle.
X = 2Y
X + Y = 150
By substitution, we get
2Y + Y = 150
and solving for Y, we get
Y = 50
This means X = 100.