document.write( "Question 1122686: Two people start walking at the same time in the same direction. One person walks at 4 mph and the other person walks at 3 mph. In how many hours will they be 0.75 miles apart?\r
\n" ); document.write( "\n" ); document.write( "I followed the D=RT formula and I got .75=4T+3T. Which after combining like terms I got 7T=.75 and the answer is said to be .75 but I got .107, so I'm confused. Unless I'm just really missing something that's so simple I can't see it.
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Algebra.Com's Answer #738821 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
Let \"+d+\" = distance covered by faster one
\n" ); document.write( "\"+d+-+.75+\" = slower one’s distance
\n" ); document.write( "———————————
\n" ); document.write( "Faster one’s equation:
\n" ); document.write( "\"+d+=+4t+\"
\n" ); document.write( "Slower one’s equation:
\n" ); document.write( "\"+d+-+.75+=+3t+\"
\n" ); document.write( "\"+d+=+3t+%2B+.75+\"
\n" ); document.write( "———————
\n" ); document.write( "By substitution:
\n" ); document.write( "\"+4t+=+3t+%2B+.75+\"
\n" ); document.write( "\"+t+=+.75+\"
\n" ); document.write( "In .75 hrs they are .75 mi apart
\n" ); document.write( "———————-
\n" ); document.write( "Check:
\n" ); document.write( "\"+d+=+4%2A.75+\"
\n" ); document.write( "\"+d+=+3+\". mi
\n" ); document.write( "and
\n" ); document.write( "\"+d+=+3%2A.75+%2B+.75+\"
\n" ); document.write( "\"+d+=+3+\" mi
\n" ); document.write( "OK
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