7a shopkeeper sells a transistor at rs. 840 at a gain of 20% and another for rs. 960 at the loss of 4%. find his total gain percent
Answers
Answered by
3
sp=(100+gain%)cp/100 =(100-loss%)cp/100
let cp =x
1st transistor
840=120x/100
x=700
2nd trnsistor
960=96x/100
x=1000
total cp =1700
total sp=1800
gain=100
gain%=100*100/1700=5.88%
let cp =x
1st transistor
840=120x/100
x=700
2nd trnsistor
960=96x/100
x=1000
total cp =1700
total sp=1800
gain=100
gain%=100*100/1700=5.88%
Similar questions