a dealer gives his customer a discount of 20% and still games 20% is an article cost rupees 10000 to the dealer find its selling price
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Answer:
Vanitha used this method:
Let M.P. be 100.
Discount =10% of M.P.
= 10010of M.P.
= 10010×100= 10
S.P. = M.P. − Discount
=100−10= 90
Gain =20% of C.P.
= 10020 ×450= 90
S.P. = C.P. + Gain
=450+90= 540
If S.P. is 90, then M.P. is 100.
When S.P. is 540,
M.P. = 90540×100
= 600
∴ The M.P. of an article = 600
OR
Vimal used the formula method:
Discount =10%, Gain =20%,
C.P. = 450, M.P. = ?
M.P. = 100−Discount%100+Gain%× C.P.
= (100−10)(100+20) ×450
= 90120×450
= 600
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