Answer:
-6 inches
Step-by-step explanation:
From the question, we can say that;
✓Katrina's mother is 2 inches shorter than her father, that is (-2inch shorter)
✓Katrina is 2 inches shorter than her mother, that is (-2inch shorter)
✓Katrina's brother is 2 inches shorter than Katrina that is (-2inches shorter)
The best represents the change in height from Katrina's father to her brother will be
(addition of all the negative difference in height)
= -2inches + -2inches+ -2inches
= -6 inches
Hence, (-6 inches) represents the change in height from Katrina's father to her brother
