Answer: The expression which represents the condition described is given as
Step-by-step explanation:
Since we have given that
Amount that Molly owes her brother = $300
Let the number of hours she worked as a checker be x
Cost of per hour = $10
Amount she get after doing work for x hours is given by
Rate of tax are taken out = 80%
So, amount she left with is given by
So, Molly plans to repay her brother half of what she earns is given by
According to question,
So, the expression which represents the condition described is given as
