Solve the problem.
-Two angles are supplementary, and one is $40^{\circ}$ more than three times the other. Find the smaller angle.
A) $75^{\circ}$
B) $35^{\circ}$
C) $145^{\circ}$
D) $105^{\circ}$

Question

Quizplus · Accepted Answer

Two angles are supplementary if their sum is $180^{\circ}$. Let $x$ be the smaller angle. The other angle is $3x + 40^{\circ}$. The equation is $x + 3x + 40 = 180$. Solving for $x$ gives $x = 35^{\circ}$.

Solve the Problem 40∘40^{\circ}40∘ More Than Three Times the Other 75∘75^{\circ}75∘ B) 35∘35^{\circ}35∘

Solve the Problem $40^{\circ}$ More Than Three Times the Other $75^{\circ}$ B) $35^{\circ}$