A 2​-ft vertical post casts a 20​-in shadow at the same time a nearby cell phone tower casts a 125​-ft shadow. How tall is the cell phone​ tower?

5 answers

use simple ratio ... notice the mix of units
2/(20/12) = x/125
6/5 = x/125
solve for x
150?
approximately :)
the Correct​ answer is 144
the correct answer is 276 but i don't know how to solve it.