Textbook Pg.79 #20

Leon's rectangular living room is 8.2m by 4.5m. A square rug covers 2/5 of the area of the floor. What is the side length of the rug, to the nearest tenth of a metre?

The side length of the rug would be 3.8m.

Textbook Pg.62 #25

Create a word problem that involves operations with rational numbers in decimal form. Make sure you can solve your problem. Then, have a classmate solve your problem.

Question:

At 12:00 am in Winnipeg, the temperature started increasing at a rate of 2.1°C/h. At 7:00 am the temperature was 10.2°C. What was the temperature at 12:00 am?

The temperature at 12:00 am was -4.5°C.