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Sheri's brother gave Sam his collection of stamps when she left for collage. At that time, the value of the collection was $ 420. Eight years later, the stamp collection was worth $980. What is the rate of change?

Respuesta :

wegnerkolmp2741o

Answer:

$70 / year

Step-by-step explanation:

Take the difference in the value

980-420 = 560

Divide by the number of years

8

560/8 = 70

The rate of change  is 70 / year

RebelOnFN

Answer:

2.33 or 23% increase

Step-by-step explanation:

When we divide 980 by 420, the rate of change is 2.33... or 23% increase.

Hope this helps!!! PLZ MARK BRAINLIEST!!!

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