1. Mr. Thompson is on a diet. He currently weighs 260 pounds. He loses 4 pounds per
month.
a. Write a linear model that represents Mr. Thompson’s weight after m months.
b. After how many months will Mr. Thompson reach his goal weight of 220 pounds?
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a. 260 - 4 m
b. 10 months
Solution:
b. 260 - 4 m = 220
4 m = 40
m = 10