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Answer:
your answer is 16 2/3
Step-by-step explanation:
Marked price = MP
given that discount
=10% = MP - SP / MP ×100%
=10 SP = 9 MP
Gain=
2% = SP - CP /CP ×100%
21 CP =20 SP = 18 MP
% different between MP and CP
=MP - CP /CP ×100%
=21 MP - 21 CP / 21 CP × 100%
= 21 MP - 18 MP / 18 MP ×100%
= 3/18 ×100%
= 50 / 3%
=16 2/3 %
hope it helps you
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Ayush Ranjan Swain
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