Given:
Money I want to earn is $250 each week
I earn $10 per working hour as a lifegaurd and $8 per hour at a concession stand.
Total available hours to work is 30.
To find : The system of equations satisfies the statement.
Step-by-step explanation:
Let x be the number of hours working as a lifegaurd and y be the number of hours earned at concession stand.
As x and y represents the hours so the total hours is written as:

Equation with the total money earned.

Therefore, the final system of equations are:

Therefore, Option C is the final answer.