Answer:
0.6 pounds
Step-by-step explanation:
Blue block weighs 0.9 pounds
Red block weighs 0.3 pounds
To find out how much more the blue block weighs than the red block we subtract or find the difference between the red block from the blue block,
0.9-0.3= 0.6 pounds heavier
The blue block weighs 0.6 pounds heavier than the red block,
