an item that originally cost 100 is decreased by 8% the reduced price is then increased by 8% the resulting price is what? A. 10
2 answers:
You might be interested in
The value of k is
Given:
x-y=k.............(eq i)
2x²+y²-15..............(eq ii)
We would make y the subject formula in eq ii
2x²+y²-15= 0
2x² + y²= 15
y²= 15-2x²
y= ...........(eq iii)
Substitute the value of y into eq i
x-(= k
x- (= k
k=
Read more about simultaneous equations here:
#SPJ1