document.write( "Question 361776: he charged $12 per day for students younger than 13 and $15 per day for teenagers.he makes a toral of $420.write an equation that represents this situation with one variable. \n" ); document.write( "
Algebra.Com's Answer #257867 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "You can't write an expression in one variable for this situation. You need some sort of additional information that relates the numbers of pre-teens with teens.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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