Question

what is the cost of 3 notebooks at 20% discount, a binder
at 25% discount, and 2 pens.

1 notebook: $1.79
1 pen: $2.89
1 Binder: $3.19

Answer 1

3*1.79*(1-.20) + 1*3.19*(1-.25) + 2*2.89 = 12.47