Mathematics, 19.05.2020 18:57 gtrsoccer

The following tables represents the number of weeks and pounds (lbs) of weight loss for Cindy and Mark. What is the average rate of change for Cindy and Mark?

Cindy:
Time (Weeks): 0 1 2 3 4 5
Weight (lbs): 143 138 135 135 133 130.5

Mark:
Time (Weeks): 0 1 2 3 4 5
Weight (lbs): 245 240 237 232 226 220

A. Cindy = 2.5lb loss a week; Mark = 5lb loss a week.
B. Cindy = 3lb loss a week; Mark = 5.25lb loss a week.
C. Cindy = 5lb loss a week; Mark = 2.5lb loss a week.
D. Cindy = 5.25lb loss a week; Mark = 3lb loss a week.

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