Respuesta :

Given the information, we can create 2 ratios: tree height over shadow length

This gives us:
30/12 = 28/x

We then need to solve for x by cross multiplying:
30x = 336

Then we can divide 336 by 30:

As a reduced fraction:
x = 56/5 ft

As a decimal:
x = 11.2 ft
MrRoyal

The length of the shadow and the tree are illustrations of equivalent ratios

The length of the shadow cast by a 28-foot tree is 11.2 ft

The ratio is given as:

Ratio = Length : Shadow

So, we have:

30 : 12 = 28 : x

Where x represents the length of the shadow of the 28-foot tree

Express the ratio as fraction

12/30 = x/28

Multiply both sides by 28

28 * 12/30 = x

Rewrite as:

x = 28 * 12/30

So, we have:

x = 11.2

Hence, the length of the shadow cast by a 28-foot tree is 11.2 ft

Read more about equivalent ratios at

https://brainly.com/question/2328454

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