To find the maximum number of hours Sally can work in a week, we need to use the given information to write an inequality. Let x be the number of hours Sally works in a week.
Since Sally earns $10.25 per hour, her weekly earnings can be represented as:
10.25x
We know that Sally earned $110.39 last week, so we can write an equation:
10.25x = 110.39
To find the maximum number of hours Sally can work in a week, we need to use the fact that she can only be paid less than $200 for each two-week period. Since there are two weeks in a pay period, Sally can be paid at most:
2 x $200 = $400
We can use this information to write an inequality:
10.25x ≤ $400
To solve for x, we divide both sides by 10.25:
x ≤ $400 / 10.25
x ≤ 39.02
Therefore, Sally can work at most 39 hours in a week.