document.write( "Question 842998: Kiran drove from Tortula to Cactus, a distance of 299 mi. She increased her speed by 18 mi/h for the 400 mi trip from Cactus to Dry Junction. If the total trip took 8 h, what was her speed from Tortula to Cactus? \n" ); document.write( "
Algebra.Com's Answer #507836 by josgarithmetic(39617)\"\" \"About 
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__________________speed___________time_________distance
\n" ); document.write( "T to C_____________r______________(___)________299
\n" ); document.write( "C to J___________r+18_____________(___)________400
\n" ); document.write( "TOTAL______________________________8\r
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\n" ); document.write( "\n" ); document.write( "r for rate or speed
\n" ); document.write( "t for time in hours
\n" ); document.write( "d for distance in miles
\n" ); document.write( "\"rt=d\" generally and we can use in the form solved for t to help find expressions for the missing times in the table.\r
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\n" ); document.write( "\n" ); document.write( "__________________speed___________time_________distance
\n" ); document.write( "T to C_____________r______________299/r____________299
\n" ); document.write( "C to J___________r+18_____________400/(r+18)________400
\n" ); document.write( "TOTAL______________________________8\r
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\n" ); document.write( "\n" ); document.write( "IMPORTANT EQUATION
\n" ); document.write( "\"highlight%28highlight_green%28299%2Fr%2B400%2F%28r%2B18%29=8%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "SOLVE FOR r.
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