| At a certain time of day, a building 300 m tall casts a shadow of 225 m, whereas a second building casts a shadow of 150 m. How tall is the second building. |
Find tall Let S=SHADOW Let T=TALL Let t=tall Given S/T=S/t Given T=300 Given S=225 Given S=150 225/300=150/t Comment: Expand parentheses 225t=300*150 Comment: Simplify t=200 Comment: Simplify |