Question

a room is 9ft long 18ft wide A blueprint shows to be a 4.5 inches long what is the width of the room in the blueprint 8 inches 9 inches 10 inches 11 inches

Answer 1

Explanation:

The length of the roof in the blueprint is half the length of the real roof but in inches instead of feet. Therefore, for the blueprint to be proportional, the width has to be half the width of the real roof:

$W_{\text{blueprint}}=\frac{18}{2}=9$

Answer:

The width of the roof in the blueprint is 9 inches