Anderson earns $1 more, so you would put '+1' in the equation. Since it says 'half of Carey's hourly rate', you would put 1/2c in the equation. $6 is the total, so that would go on the other side of the equation, thus creating the final equation 1/2c + 1 =6.
Here’s some work in case you need that or can use it to solve the next problem, it’s a little spotty so maybe not but the answer is the square root of 33