Elena wants to make a scale drawing of her bedroom. Her bedroom is a rectangle with a length 5m and 3m. She decides on a scale of 1 to 50

First, note that 1 m = 100 cm.

Then

5 m = 500 cm; 3 m = 300 cm.

If Elena wants to make a scale drawing of her bedroom on a scale of 1 to 50, then

500 cm : 50 = 10 cm; 300 cm : 50 = 6 cm.

Therefore, the length of the scale drawing is 10 cm and the width of the scale drawing is 6 cm.