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.
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Algebra.Com's Answer #499201 by stanbon(75887)\"\" \"About 
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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.
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\n" ); document.write( "unit cost last year = 1200/15000 = 0.08L per km
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\n" ); document.write( "New cost would be 1.1(0.08)L/km = 0.088L/km
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\n" ); document.write( "Ans: 20,000(0.088) = 1760L
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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