document.write( "Question 155317This question is from textbook Algebra - Structure and Method
\n" );
document.write( ": Transforming equations with multiplication and division.\r
\n" );
document.write( "\n" );
document.write( "How do I put the following question into an expression with a variable?\r
\n" );
document.write( "\n" );
document.write( "A police helicopter clocked an automobile for 10 seconds over a stretch of highway on fifth of a mile long. At what reate was the automobile traveling in miles per A. Second? B. Hour?\r
\n" );
document.write( "\n" );
document.write( "Here's what I have so far..\r
\n" );
document.write( "\n" );
document.write( "Let X = Miles per second
\n" );
document.write( "X = .2(miles) / 10 sec.
\n" );
document.write( "X= .02 mps\r
\n" );
document.write( "\n" );
document.write( "Let Y = Miles per hour
\n" );
document.write( "Y = [.2(miles / 10 sec.] * 3600
\n" );
document.write( "Y = 72 mph\r
\n" );
document.write( "\n" );
document.write( "Is there anything I'm forgetting?
\n" );
document.write( "I feel like I'm not transforming anything and just solving for the mps and mph. Any help would be greatly appreciated. \n" );
document.write( "
Algebra.Com's Answer #114369 by stanbon(75887) ![]() You can put this solution on YOUR website! How do I put the following question into an expression with a variable? \n" ); document.write( "A police helicopter clocked an automobile for 10 seconds over a stretch of highway on fifth of a mile long. \n" ); document.write( "-------------------------------------------------------- \n" ); document.write( "At what rate was the automobile traveling in miles per \n" ); document.write( "A. Second? \n" ); document.write( "[1/5] mile / [10]sec = [1/50](mile/sec)\r \n" ); document.write( "\n" ); document.write( "-------------------------------------------------------- \n" ); document.write( "B. Hour? \n" ); document.write( "{[1/5] mile / [10]sec } = {[1/50](mile/sec)}*{3600 sec/1 hr} \n" ); document.write( "= 72 miles/hr. \n" ); document.write( "============================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |