document.write( "Question 224287: I have the following problem to solve and I can not figure out the ratio. The example we are given is a 150 pound person excersing for 60 minutes burns 650 calories running in place and 275 calories swimming at 25yd per minute.\r
\n" );
document.write( "\n" );
document.write( "How many calories will a 115 pound person burn running in place and a 175 pound person burn swimming? (activities for 60 minutes )\r
\n" );
document.write( "\n" );
document.write( "I broke the ratio of 150:650 down to 3:13 but cannot get the 115:X to solve. If someone could tell me what I am doing wrong in the solving process I would greatly appreciate it. Thanks. \n" );
document.write( "
Algebra.Com's Answer #167616 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Cross-multiply:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now just do the arithmetic.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "By the way, it works just as well without reducing the fraction -- it is just that the numbers are bigger and uglier:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "John \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |