Question

find SP when CP is rupees 80 and profit percentage is 12

Answer 1

Your answer is here
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Given,

CP = ₹ 80

Profit % = 12

SP = (100+profit%)×CP/100

=( 100+12)×80/100

= 112×80/100

= 89.6

sp = ₹ 89.6

Answer 2

Answer:

Let the sp=100

cp=80

profit=12%

profit=sp+cp

12%=100+sp

cp=100+12

cp=112

When cp=112

sp=112×80/100

sp=8960/100

sp=₹89.60