document.write( "Question 664202: the lone star shipping company charges$14 plus $2 a pound to ship an overnight package. discount shipping company charges $20 plus $1.50 a pound over night package. for what weight is the charge the same for the companies \n" ); document.write( "

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\n" ); document.write( "Lone Star
\n" ); document.write( "c = 14 + 2x, where x is the number of pounds
\n" ); document.write( "Discount
\n" ); document.write( "c = 20 + 1.5x
\n" ); document.write( "...
\n" ); document.write( "At what weight are the charges the same? Set them equal to each other and solve for x.
\n" ); document.write( "14 + 2x = 20 + 1.5x
\n" ); document.write( "Group like terms
\n" ); document.write( "2x - 1.5x = 20 - 14
\n" ); document.write( "Combine like terms
\n" ); document.write( ".5x = 6
\n" ); document.write( "Divide both sides by .5
\n" ); document.write( "x = 12
\n" ); document.write( "...
\n" ); document.write( "When the weight is 12 lbs, the charges at both companies are the same.
\n" ); document.write( "........................
\n" ); document.write( "Delighted to help.
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