Katrina's mother is 2 inches shorter than her father, Katrina is 2 inches shorter than her mother, and Katrina's brother is 2 inches shorter than Katrina. Which best represents the change in height from Katrina's father to her brother?

-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

yes

step-by-step explanation:

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