Question

if SP of 10 pens is equal to the CP of 14 pens find the gain percent. (Please solve it correctly)​

Answer 1

Answer:

Sp of 10 pens =Cp of 14

Sp/cp =14/10

Sp/CP - 1= 14/10-1 (subtract 1 from

both sides)

(SP - CP)/cp =(14-10)/10

Gain/Cp×100=4/10×100

(gain%=gain/cp×100)

Gain%=4×10=40%

Step-by-step explanation:

Hope it helps....

Answer 2

Answer:

let SPandCP be 100

Step-by-step explanation:

then sp 100=10

and cp100=14

according to sp cp should be 10*14=140

then profit =40

percent =40/140*100

=²⁸2/7