document.write( "Question 828285: Last year Mr. Taylor travelled 15,000 km in his car and spent £1200 on petrol. This year he expects to travel 20,000 km. He estimates that the price of petrol has increased by 10% on what is was last year.
\n" );
document.write( "How much should Mr. Taylor expect to pay for petrol this year? \n" );
document.write( "
Algebra.Com's Answer #499201 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Last year Mr. Taylor travelled 15,000 km in his car and spent £1200 on petrol. This year he expects to travel 20,000 km. He estimates that the price of petrol has increased by 10% on what is was last year. \n" ); document.write( "How much should Mr. Taylor expect to pay for petrol this year? \n" ); document.write( "----- \n" ); document.write( "unit cost last year = 1200/15000 = 0.08L per km \n" ); document.write( "------- \n" ); document.write( "New cost would be 1.1(0.08)L/km = 0.088L/km \n" ); document.write( "----- \n" ); document.write( "Ans: 20,000(0.088) = 1760L \n" ); document.write( "=============================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=================== \n" ); document.write( " |