document.write( "Question 1017963: It takes Sam 10 minutes to get to school going at a speed of 27 miles/hour. How long will it take her to get to school if she goes 40 miles/hour? \n" ); document.write( "

Algebra.Com's Answer #634163 by josmiceli(19441) $\"\"$ $\"About$

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$\"+d+=+r%2At+\"$
\n" ); document.write( "Convert minutes to hrs
\n" ); document.write( " $\"+10%2F60+=+1%2F6+\"$ hrs
\n" ); document.write( " $\"+d+=+27%2A%281%2F6%29+\"$
\n" ); document.write( " $\"+d+=+4.5+\"$
\n" ); document.write( "She is 4.5 mi from school
\n" ); document.write( "----------------------
\n" ); document.write( "Let $\"+t+\"$ = her time in hrs to get
\n" ); document.write( "to school at 40 mi/hr
\n" ); document.write( " $\"+d+=+r%2At+\"$
\n" ); document.write( " $\"+4.5+=+40%2At+\"$
\n" ); document.write( " $\"+t+=+4.5%2F40+\"$
\n" ); document.write( "Convert this back to minutes by
\n" ); document.write( "multiplying by $\"+60+\"$
\n" ); document.write( " $\"+t+=+4.5%2A%28+3%2F2+%29+\"$
\n" ); document.write( " $\"+t+=+13.5%2F2+\"$
\n" ); document.write( " $\"+t+=+6.75+\"$
\n" ); document.write( "This is 6 min 45 sec time to get
\n" ); document.write( "to school at 40 mi/hr \n" ); document.write( "

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