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Sally's huge dog weighed 175 pounds in 2018 and then weighed 145 pounds in 2020. What was the rate of change in weight?
pounds per year?


Sagot :

Answer: 15 lbs per year

Step-by-step explanation:

Huge dog lost 30 lbs in a span of 2 years so divide to find rate of change which is 15lbs per year

Answer: -15 pounds per year

Step-by-step explanation:

We can first list out all the information like Year, Weight

so (2018, 175) and (2020,145)

It asks to find the slope, so we just use the slope formula

175-145/2018-2020 = 30/-2 which is -15