An accountant earned $1109 a week last year. What was her yearly salary?

Hello!

The accountant's yearly salary is $57,668.00.

Explanation:

We know that she earns $1,109 per week.

There are about 52 weeks in a year.

$1,109 × 52 = 57,668

Among the choices the one that  best describes her prediction is "extrapolation, because a key that is 12 keys from middle C is outside the data set". 

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