Respuesta :

The answer would be D. 90 feet
If this helped mark me brainliest please!!

Answer:

18 ft

Step-by-step explanation:

5 years for every 3 feet

30 years

Knowing this information, we can multiply or create an equation:

Multiplication:

5 x 6 = 30 so...

3 x 6 = 18

Equation:

5/3 = 30/x

5x = 90

/5    /5

x = 18