43.25-10.4-3.25=43.25-(19.4+3.25)=43.25-13.15=29.6
43.25-10.4-3.25=43.25-3.25-10.4=40-10-0.4=30-0.4=29.6----------------------------------------------
43.25-10.4-3.25=43.25-(10.4+3.25)=43.25-13.65=29.6