document.write( "Question 1036105: Here's my question:
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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
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document.write( "I think the formula is Is this right? If not, how do I do it? \n" );
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Algebra.Com's Answer #650713 by jorel555(1290)![]() ![]() ![]() 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!!!!!!!!!!!!!!! \n" ); document.write( " |