Question

please help answer plss....

Answer 1

here is the ans.............. see n let me know if any doubt

Answer 2

m.p=500
discount%=28%
c.p= m.p-(m.p×d%)/100
c.p=500-(500×28)/100
c.p=500-140
c.p=360
transportation charge=15
total c.p=375
p%=20%
s.p=100+p%×c.p÷100
=120×375÷100
=450