document.write( "Question 812278: One car travels 310 miles in same amount of time it takes a second car traveling 7 miles per hour slower than the first to go 275 miles. What are the speeds of the cars?
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Algebra.Com's Answer #489085 by richwmiller(17219)\"\" \"About 
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r*t=310,
\n" ); document.write( "(r-7)*t=275
\n" ); document.write( "5r*t-7t=275
\n" ); document.write( "r = 62, t = 5
\n" ); document.write( "r-7=55
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