Question

1. phoebe made a scale model of mars in science class. the scale that maps the scale model to the actual mars is 1 inch to 375 miles. if the height in the scale model is 11.2 inches, what is the actual height of mars? 8.

Explanation:

Step1: Set up proportion

Let $x$ be the actual height of Mars. The proportion is $\frac{1}{375}=\frac{11.2}{x}$.

Step2: Cross - multiply

$1\times x = 375\times11.2$.

Step3: Calculate $x$

$x=375\times11.2 = 4200$.

Answer:

4200 miles