batteries which normally sell at a dollar $1.89 a pack are on sale for $3.40 for two packs. approximately what percentage markdown does this represent per pack
So if $3.40 is 2 packs we divide it by 2 We get $1.70 1.4/1.89=0.74 0.74 x 100= 74% 1.4 is 74% of 1.89 so the difference between them would be 100-74=26% Answer: 26%