by selling tea at rs120 a shopkeeper makes a profit of 20% by how much should be increased his SP so as to gain 30%
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Sp=120
P=20%
If g=30%
Then first let's find first cp
Cp=sp-p
If cp=100 then sp=100+20
Sp=120
If cp=100. Then sp=120/100×100
Then sp=120 cp=100
Now take the cp and multiply it with the second given profit so that we can get sp
Sp=cp+g
Sp=100+30
Sp=130
Therefore the sp for 30% profit is 130
P=20%
If g=30%
Then first let's find first cp
Cp=sp-p
If cp=100 then sp=100+20
Sp=120
If cp=100. Then sp=120/100×100
Then sp=120 cp=100
Now take the cp and multiply it with the second given profit so that we can get sp
Sp=cp+g
Sp=100+30
Sp=130
Therefore the sp for 30% profit is 130
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