Answer:
Option d is correct
50 male customers does he need to meet his expenses
Explanation:
Here, x is the number of women's shoes and y is the number of men's shoes designed by Javier.
As per the statement:
Javier designs leather shoes at his workshop.
He charges $45 for women's shoes and $50 for men's shoes.
Total charges for women shoes = 45x
Total charges for women shoes = 50y
It is also given that he needs to make $2,500 per week to meet his expenses.
⇒
......[1]
Since, if he does not have any female customers during a particular week.
⇒x = 0
Substitute this in [1] we have;

⇒

Divide both sides by 50 we have;
y =50
Therefore, 50 male customers does he need to meet his expenses.