document.write( "Question 239884: I can not find the correct formula for the following problem:\r
\n" ); document.write( "\n" ); document.write( "Tina runs 10 miles in 70 minutes. How long does it take her to run 7 miles? \r
\n" ); document.write( "\n" ); document.write( "I have tried the Distance= rate x time but it doesn't make sense.
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Algebra.Com's Answer #175914 by ankor@dixie-net.com(22740)\"\" \"About 
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Tina runs 10 miles in 70 minutes. How long does it take her to run 7 miles?
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\n" ); document.write( "Find her speed (mi/min): Speed = \"dist%2Ftime\"
\n" ); document.write( "s = 10/70
\n" ); document.write( "s = \"1%2F7\" mi/min
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\n" ); document.write( "Find the time:
\n" ); document.write( "Time = \"dist%2Fspeed\"
\n" ); document.write( "t = \"7%2F%281%2F7%29\"
\n" ); document.write( "invert the dividing fraction and multiply
\n" ); document.write( "t = 7 * \"7%2F1\"
\n" ); document.write( "t = 49 minutes to run 7 miles
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