<h3>Answer:<em> </em></h3><h3 /><h3>Selling price: $11</h3><h3>Buying price: $8.80 </h3><h3>Markup: $2.20</h3><h3 /><h3>Step-by-step explanation:</h3><h3>$8.80 + $2.20 = $11</h3><h3 /><h3>(I HOPE THIS HELPS YOU! oh and i know it's correct since i did it on iready!! good luck!) </h3>