One angle is three times another if the angles are complementary find their measurements

Complimentary angles add up to 90 degrees.

x + y = 90

x = 3y ... one angle is 3 times the other

3y + y = 90

4y = 90

y = 90/4

y = 22.5 < = = this is one angle

x = 3y

x = 3 (22.5)

x = 67.5 < = = this is the other angle