Question

this is a scale drawing of an ostrich. use the scale to find the height of the actual ostrich. scale: 1 to 13 7 in the height of the actual ostrich is inches.

Explanation:

Step1: Recall scale - factor concept

The scale 1 to 13 means that 1 unit on the drawing represents 13 units in real - life.

Step2: Set up the proportion

Let $x$ be the height of the actual ostrich. The proportion is $\frac{1}{13}=\frac{7}{x}$.

Step3: Cross - multiply and solve

Cross - multiplying gives $1\times x = 13\times7$. So, $x = 91$.

Answer:

91