You can
put this solution on YOUR website!The expression
Average age = 553.7x + 27,966
can be used to approximate the average annual salary in dollars of public school teachers in the year 1985 + x.
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What was the average teacher's salary in 1991?
If 1985+x = 1991, x = 6
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Average age in 1991 is 553.7*6 + 27,966 = 31288.20
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Round your answer to the nearest whole number.
Average teacher salary in 1991 was $31,288
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Cheers,
Stan H.
