You are 5 feet tall and cast an 8-foot shadow. a lamppost nearby casts a shadow that is 20 feet. which equation can you use to solve for the height (h) of

Height of lamppost would is 12.5 feet.

Step-by-step explanation:

We are given a 5 feet tall boy form shadow with 8 foot.

As we know height is directly proportional to shadow length.

where, h is height of boy, k is constant of proportionality and s is shadow length.

when h=5 , s=8

5=8k

We need to find height when shadow length is 20 feet.

Thus, Height of lamppost would be 12.5 feet.

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

answer: there are 453.592 grams in a pound.