document.write( "Question 822181: 2.5 litres of coke costs 1.40 how much will 6 litres cost? \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "Re Reply: another way of thinking about it is: \n" ); document.write( "Cost/Liter = $1.40/2.5L = $0.56 per Liter & 6 will cost: 6(.56) = $3.36\n" ); document.write( "2.5 litres of coke costs 1.40 how much will 6 litres cost? \n" ); document.write( " |Cross Multiplying to solve\n" ); document.write( " 2.5x = 6(1.40)\n" ); document.write( " x = 6(1.40)/2.5\n" ); document.write( " x = $3.36