Chapter 7 - Algebraic Fractions - 7.5 - Fractional Equations and Problem Solving - Problem Set 7.5 - Page 306: 45

$48˚$ and $72˚$

Let $x = $ the ratio of the angle $60 + 2x + 3x = 180$ (Angles in a triangle add to $180˚$) $60 + 5x = 180$ $5x = 120$ $x = 24$ First angle: $= 2x$ $= 2(24)$ $= 48˚$ Second angle: $= 3x$ $= 3(24)$ $= 72˚$