Answer:
Louis would have to sell 30 shoes to make the same total salary in either job
Step-by-step explanation:
Louis salary is a linear function given by:
In which S(x) is how much he earns each week selling x shoes, is the fixed salary and a is his commission for selling a shoe.
Job 1
One pays $25 per week plus a $2 commission for each pair of shoes sold.
This means that . So
Job 2
The second job pays $40 per week plus a $1.50 commission for each pair of shoes sold.
This means that So
How many shoes would Louis have to sell to make the same total salary in either job
This is x when
. So
Louis would have to sell 30 shoes to make the same total salary in either job