Answer:
a
Step-by-step explanation:
Answer: 73 weeks
Equations
657-4w=876-7w
Solve for w
w=73
Correct
This is verry easy! Is 105.56,do u need expabation?
y = -5/3x + 4/3z
5x + 3y = 4z
3y = -5x + 4z