Question

an umbrella costs rupees 980 but the shopkeeper marked it at 1100 if he solds it after giving discount but still make a profit of 10% then find the discount percent allowed by him is (i need explanation)​

Answer 1

cp = 980

mp = 1100

we can find sp simply by using formula

on using you will get

sp = 1078

now discount % = (mp -sp)*100/mp

just substitute the value now

you will get discount %= 2%

i hope you got it buddy