Answer:
200x - 120x = 1,200
Step-by-step explanation:
The break-even point is when the amount of money he spends equals the amount he earns.
Let's see how much he earns and how much he spends per month:
He earns $200 per hour. If x represents the number of hours per month, we can write the earns as 200x.
He spends $1,200 per month and $120 per hour. We can write it as 1,200 + 120x.
So, we need 200x = 1,200 + 120x
We don't have this exact equation in our options but if we subtract 120x from both sides, we have:
200x - 120x = 1,200 + 120x - 120x
200x - 120x = 1,200
The correct answer is the first equation.