a person sold an article for 35%profit .had he bought for 20%less and sold it for 50% profit .he would have got 75 less than before.find cp.
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Step-by-step explanation:
CP=x
profit=25%
SP=CP+profit
=x+(x+25\100)=5x\4
New BP=x−(x+20\100)=x=x5=4\5x
New SP=(5\4x−105)
Profit=5 x\4−10.5−4\5x=9x−210\20
Profit%=9x−210\20⋅45x⋅100=30
=90x−2100=48x
x=2100\42=50Rs
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