Question

1. tyler made a scale model of earth in science class. the scale that maps the scale model to the actual earth is 1 inch to 1,070 miles. if the height in the scale model is 7.4 inches, what is the actual height of earth?

Explanation:

Step1: Identify the scale - factor relationship

The scale is 1 inch represents 1070 miles.

Step2: Multiply model height by scale - factor

Let $h$ be the actual height. We use the formula $h = 7.4\times1070$.
$h=7.4\times1070 = 7818$ miles

Answer:

7818 miles