Answer with Step-by-step explanation:
1. $20 +6% of $20= $20 +6/100*$20 =$20+5+6/5=$20+11/5=21.2
2.$2+30% of $2= $2 +30/100*$2=2.6
3.$44-15% of $44=$44-15/100 *$44=437.4
Tax=Add
Markup=Add
Discount=Subtract
Do all those similarly,
:)
