Question

A shop is offering discounts on shirts costing 20$each.Ifsomeonebuys$2$shirts,hewillbeofferedadiscountof$1510)

Answer 1

Cost of one shirt $=$20$

Discount of 1 shirt $=\frac{15}{100}\times 20=$3$

Cost of 1 shirt $=20-3=$17$

New cost of second shirt $=17$

Discount of second shirt $=\frac{10}{100}\times 17=$1.7$

Cost of second shirt $17-1.7=15.3$

Total cost $=15.3+17=32.3\simeq 32$