Question

1. what is the actual length of the painting? scale: 1 in. = 2 ft. 1.25 in.

Explanation:

Step1: Set up proportion

Let $x$ be the actual length in feet. The proportion is $\frac{1}{2}=\frac{1.25}{x}$.

Step2: Cross - multiply

$1\times x = 2\times1.25$.

Step3: Solve for $x$

$x = 2.5$.

Answer:

$2.5$ ft