document.write( "Question 1179569: Suppose p varies directly with i and inversely with m. Write the equation to solve for k. If p = 30 when i = 2.5 and m = 6, what is the value of p when i = 4 and m = 7? \n" ); document.write( "

Algebra.Com's Answer #809136 by MathLover1(20849) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "Suppose $\"p+\"$ varies directly with $\"i\"$ and inversely with $\"m\"$ . Write the equation to solve for $\"k\"$ . \r
\n" ); document.write( "\n" ); document.write( " $\"p+=k%2A%28i%2Fm%29\"$
\n" ); document.write( " $\"k+=p%2F%28i%2Fm%29\"$
\n" ); document.write( " $\"k+=%28pm%29%2Fi\"$ \r
\n" ); document.write( "\n" ); document.write( "If $\"p+=+30\"$ when $\"i+=+2.5\"$ and $\"m+=+6\"$ , then\r
\n" ); document.write( "\n" ); document.write( " $\"k+=%2830%2A6%29%2F2.5\"$
\n" ); document.write( " $\"k+=180%2F2.5\"$
\n" ); document.write( " $\"k+=72\"$ \r
\n" ); document.write( "\n" ); document.write( "what is the value of $\"p\"$ when $\"i+=+4\"$ and $\"m+=+7\"$ ?\r
\n" ); document.write( "\n" ); document.write( " $\"p+=72%2A%284%2F7%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"p+=288%2F7\"$ -> exact solution\r
\n" ); document.write( "\n" ); document.write( "approximately $\"p+=41.14\"$ \r
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