Answer:
I think it is 22 but I might be wrong.
Step-by-step explanation:
A) x + y = 17
B) x * y = -168
y = -168/x then inputting this into A)
x + -168/x = 17
x^2 -168 -17x = 0
x = 24 and x = -7
He should have subtracted the discount and added the sales tax
Answer:
c
Step-by-step explanation: