document.write( "Question 1036105: Here's my question:
\n" ); document.write( "Pearly and Peggy Sue left their dorm room at the same time and headed in opposite directions. After 9 hours, they were 1,080 miles apart. If Pearly drove 20mph faster than Peggy Sue, how fast did Peggy Sue drive?\r
\n" ); document.write( "\n" ); document.write( "I think the formula is \"+9x%2B%289x%2B20%29=1%2C080+\" Is this right? If not, how do I do it?
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Algebra.Com's Answer #650713 by jorel555(1290)\"\" \"About 
You can put this solution on YOUR website!
Let Peggy Sue's speed be n; then:
\n" ); document.write( "9n+9(n+20)=1080
\n" ); document.write( "9n+9n+180=1080
\n" ); document.write( "18n=900
\n" ); document.write( "n=50 mph
\n" ); document.write( "n+20=70 mph!!!!!!!!!!!!!!!
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