90 is the answer to your question!
4 + 5z = 5z + 4 is an identity and is true for all values of z.
The equation has, therefore, infinitely many solutions.
Answer:
Step-by-step explanation:
cost
d1 85
d2 110
d3 135
d4 160
Answer: 74130.75
Step-by-step explanation: plz mark brainliest
