Step-by-step explanation:
mp=$30
%D=10%=%D=D/M.p×100
10%=D/30$×100=100D=10
DISCOUNT =$3
S.P=$27×6÷100=$1.62+27
AC=AB+BC-cos. AC=100+66-cos. AC=166-0.906. AC=√165.094. AC=12.8
Answer:
x=8
Move all terms that don't contain x to the right side and solve.
