Question

selling price rupees 900 discount is 20% then find the Marked price

Answer 1

here
SP=₹900
DISCOUNT=20%
MARKED PRICE =X
SO
X-20% OF X=900
X-20÷100*X=900
100X-20X÷100=900
80X=900*100
THEREFORE. 80X=90000
SO.. X=90000÷80
=1225
THEREFORE THE MARKED PRICE IS 1225₹

I HOPE THIS HELPS U
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Answer 2

x =20
X =900
20-100
= 80
900 * 100
80 =90000 divide by 80
= 1225
Hope your help