Question

a monument casts a 40-foot shadow. Adam is 6 feet tall and casts a 5-foot shadow. How tall is the monument

Answer 1

This is a proportion problem. Let the monument me x feet tall.
40/x=5/6
Cross multiply:
240=5x
x=48 ft.
So the monument is 48 ft tall,  

Answer 2

Answer:

$48\ ft$

Step-by-step explanation:

we know that

Adam is $6$ feet tall and casts a $5$-foot shadow

A monument casts a $40$-foot shadow

so

by proportion

Find how tall is the monument

Let

x------> the height of the monument

$\frac{6}{5}=\frac{x}{40}\\ \\ x=40*6/5\\\\x=48\ ft$