document.write( "Question 1102925: Ref. Question 1102916:\r
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\n" ); document.write( "\n" ); document.write( "The wheels of a carriage take one more second to revolve, resulting in the rate per hr. being 2 2/3 miles less. Determine rate.
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Algebra.Com's Answer #717660 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
The wheels of a carriage take one more second to revolve, resulting in the rate per hr. being 2 2/3 miles less.
\n" ); document.write( " Determine rate.
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\n" ); document.write( "let r = original rate in mph
\n" ); document.write( "then using the decimal equiv of 2/3
\n" ); document.write( "(r - 2.6667) = the slower rate in mph
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\n" ); document.write( "Assuming the revolutions in rpm:
\n" ); document.write( " original rev takes 60 sec,
\n" ); document.write( " slower rev take 61 sec
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\n" ); document.write( "Using an inverse relationship, (faster speed means less time)
\n" ); document.write( "\"r%2F%28%28r-2.6667%29%29\" = \"61%2F60\"
\n" ); document.write( "Cross multiply
\n" ); document.write( "60r = 61(r-2.6667)
\n" ); document.write( "60r = 61r - 162\"2%2F3\"
\n" ); document.write( "60r - 61r = -162\"2%2F3\"
\n" ); document.write( "-r = -162\"2%2F3\"
\n" ); document.write( "r = 162\"2%2F3\" mph is the original speed ant
\n" ); document.write( "162\"2%2F3\"- 2\"2%2F3\" = 160 mph is the slower speed
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\n" ); document.write( "Not sure if I interpreted this correctly. Let me know please, ankor@att.net
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