AMO · 2027 · Grades 4-5 · Self-study SET 34 Question 2

Given $\square+\triangle+\diamond=30$, $\triangle+\diamond+\star=22$, $\diamond+\star+\square=26$, and $\triangle+\diamond+\star+\square=37$, find $\star+\square+\triangle$.



Choose one option.