Question

Janie wanted to paint a mural in her garage. The sketch was 18 in long and 12 in wide. If she uses a scale factor of 15, how long will the actual mural be?

a) 270 in
b) 180 in
c) 1.2 in
d) 0.8 in

Answer 1

Janie's mural, sketched at 18 inches in length, will measure 270 inches in actual length when using a scale factor of 15.

Step-by-step explanation:

Janie wanted to paint a mural in her garage that was sketched at 18 inches long and 12 inches wide. She plans to use a scale factor of 15. To find the length of the actual mural, we multiply the length of the sketch by the scale factor:

• Actual length = Sketch length × Scale factor
• Actual length = 18 inches × 15
• Actual length = 270 inches

Therefore, the length of the actual mural will be 270 inches, which corresponds to option a) 270 in.