plz answer the attachment Right answer will be marked brainliest
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Step-by-step explanation:
33 1/3% = 100/3%
c.p = 100/(100 + gain ) ×s.p
= 100/(100 + 100/3) ×80
=100/(300+ 100/3) × 80
=100/(400/3) ×80
=100 × 3/400 × 80
=R.S 60
R.S 60 is the cost of 12 articles
i.e, cost of one 12/60
R.S 90 is the cost of = 12/60× 90
=1/5 × 90 = 18
man can buy article for
R.S 90=18
Mark as brainleast please
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