Three ballet dancers are positioned on stage. Greta is straight behind Bryan and directly left of Alice. If Bryan and Greta are
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We are given
The average income, I, in dollars is
(a)
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average income is $275000
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now, we can set them equal
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we will have to use quadratic formula
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we need to find youngest age
It means that we need to choose smallest value
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(b)
we are given
x=40
so, we can plug it and find I
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