document.write( "Question 629400: If 15 cans of food are needed for 7 adults for 2 days, the number of cans needed for 4 adults for 7 days is \n" ); document.write( "

Algebra.Com's Answer #396265 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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If 15 cans of food are needed for 7 adults for 2 days,
\n" ); document.write( " the number of cans needed for 4 adults for 7 days is
\n" ); document.write( ":
\n" ); document.write( "x = no of cans for 4 adults for 7 days
\n" ); document.write( " $\"%287%2A2%29%2F%284%2A7%29\"$ = $\"15%2Fx\"$
\n" ); document.write( "cross multiply
\n" ); document.write( "14x = 28 * 15
\n" ); document.write( "14x = 420
\n" ); document.write( "x = 420/14
\n" ); document.write( "x = 30 cans \n" ); document.write( "

\n" );