The cheese that Ms.Carter used to buy cost $6.00 per pound originally.
After it is marked up 15%, the cheese's per pound price will become:
$6+15% of $6 which can be calculated as:
[tex] 6+\frac{15}{100}\times 6=6+0.9=6.9 [/tex] Dollars
Therefore, to buy 2.6 pounds of cheese at this new price of $6.9 per pound, it will cost:
$6.9 per pound[tex] \times [/tex]2.6 pounds=$[tex] (6.9\times 2.6) [/tex]=$17.94
