document.write( "Question 243361: Describe two real-life examples where linear equations are used at home. Describe them in detail. \n" ); document.write( "

Algebra.Com's Answer #178339 by oberobic(2304) $\"\"$ $\"About$

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1) Net pay for an employee is the result of applying a linear equation. For example, social security is about 8% of the adjusted gross pay. While health insurance might be $500. So we would have:
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\n" ); document.write( "Net Pay = Gross Pay - .08*Gross Pay - 500
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\n" ); document.write( "2) A cell phone plan might be $30 per month plus 25 cents per text message. So the monthly bill would be:
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\n" ); document.write( "cost = .25*number of messages + 30, which is the classic y = mx + b equation. \n" ); document.write( "

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