My English is not that great but if I got it right the answer is 3
Answer:
In 6 months (at the fifth month they are equal in price)
Step-by-step explanation:
Set the month as x.
Plan A's equation: 8x + 25
Plan B's equation: 12x + 5
8x + 25 < 12x + 5
Solve.
-4x < -20
x > 5
In 6 months (at the fifth month they are equal in price)
I'm assuming its asking what time he finished? I added it up and it seems to be 7:42 pm.