document.write( "Question 881173: Jovanna gives a walking tour of a popular tourist city to one person for $43. To increase her business, she would lower the price by $2 per person for each additional person. Write the cost per person (c) as a function of the number of people (n) on the tour. How much does she make for a tour with 7 people?\r
\n" ); document.write( "\n" ); document.write( "A) Write the cost per person c as a function of the number of people n on tour
\n" ); document.write( "B) How much does she make for a tour with 7 people?
\n" ); document.write( "

Algebra.Com's Answer #532015 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Jovanna gives a walking tour of a popular tourist city to one person for $43. To increase her business, she would lower the price by $2 per person for each additional person. \r
\n" ); document.write( "\n" ); document.write( "A) Write the cost per person c as a function of the number of people n on tour
\n" ); document.write( "c(1) = 43
\n" ); document.write( "c(2) = 43 + 41
\n" ); document.write( "c(3) = 43 + 2(43-2*2)
\n" ); document.write( "c(4) = 43 + 3(43-3*2)
\n" ); document.write( "..............................
\n" ); document.write( "c(n) = 43 + (n-1)(43-(n-1)2)
\n" ); document.write( "====================================
\n" ); document.write( "B) How much does she make for a tour with 7 people?
\n" ); document.write( "c(7) = 43 + 6(43-6^2) = 43 + 6*31 = 43 + 186 = $229
\n" ); document.write( "======================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );