Answer:
B
Step-by-step explanation:
180 - y + z = x {Exterior angle property}
z = x - 180 + y
z = x + y - 180
Answer: D
Multiply both sides by 4
Cost price:-
Now
Return=823-700=123
Rate of return
3,327.9
now: 1996.67
original: 3,327.9
1996.67/.6 = 3,327.9