Answer:
let cp be x
sp= 115x/100 ---(when 15%gain)
sp = 88x/100------(when 12% loss
according to question
115x/100 - 88x/100 = 81
or, (115x-88x)= 8100
or, 27x = 8100
or, x= 8100/27
x = 300
hence cp is RS 300
Answer:
A. The function has three distinct real zeros.
Step-by-step explanation:
Would it be 2:1? I really don't know, I haven't learned that yet, sorry
Answer:
a) -10
b) 7
Step-by-step explanation:
a) 



b) 




I believe your answer is C, because Y (payment after taxes) is x (what he recieved the first time) minus taxes (0.18%) Hope this helped!