Final answer:
Isaiah will earn $2,170 each month by charging $15.50 per hour for 140 hours of work.
Step-by-step explanation:
To calculate how much money Isaiah will earn each month, we can multiply the number of hours he will work per month by his hourly rate. Isaiah will work 140 hours per month, so his monthly earnings can be calculated as:
Earnings = Hours worked per month * Hourly rate
Earnings = 140 * $15.50 = $2,170
Therefore, Isaiah will earn $2,170 each month.