Question

2.) The local museum has a scale model of a T-REX dinosaur. The scale is 1 inch for the model = 4 feet of a real T-REX. What is the height of the museum's model in inches? Fact: T-REX's were approximately 20 feet tall.

Answer 1

Given :

The scale of the model is : 1 inch = 4 feet

The height of the actual T-Rex = 20 feet

Let the height of the model = x

Using the ratio and the proportional

so,

`\begin{gathered} x\colon20=1\colon4 \\ \\ (x)/(20)=(1)/(4) \\ \\ x=20\cdot(1)/(4)=5 \end{gathered}`