Question

At 10 am the shadow of a post on a pergola is 12 feet long. At the same time the shadow of Jimmy, who is 6 feet tall, is 7 feet long. What is the approximate height of the post?

Answer 1

Answer:

The approximate height of the post is $10.3\ ft$

Step-by-step explanation:

we know that

Using proportion

$\frac{6}{7}\frac{height}{shadow}=\frac{x}{12}\frac{height}{shadow}\\ \\x=12*6/7\\ \\x= 10.3\ ft$

Answer 2

Height: 12 ft 
6×7=12
approx. 10 ft