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Isaac keeps track of the miles per gallon his car gets per week. He has accumulated the following data:

(1, 24), (2, 24.48), (3, 24.97), (4, 25.47)

What is the common difference or ratio?

Respuesta :

Edufirst
1) Try the difference between consecutive terms:

24.48 - 24 = 0.48

24.97 - 24.48 = 0.49

25.47 - 24.97 = 0.50

As you see the difference is not constant (common)

2) Try the ratio between consecutive terms;

24.48 / 24 = 1.0200

24.97 / 24.48 = 1.0200

25.47 / 24.97 = 1.0200

So, you conclude that the common ratio is 1.0200

Answer: 1.02

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