Answer:
Candace must make 32 sales.
Explanation:
You can describe Candice weekly pay as a first degree function.
In our function, each sale n is the independent variable and her pay P is the the dependent variable. P is dependent of n, so we are going to write as P(n).
So, we can model the equation of P as a function of n by the following equation:
P(n) = 425 + 17.75n,
where, as the problem states, 425 is the flat rate and 17.75 is her comission for each sale n.
Now, the question is how many sales must Candace make to make $993 in one week. So, we want P(n) to be equals to $993 and we have to find n.
993 = 425 + 17.75n
Now we just need to solve this equation
993-425 = 17.75n
568 = 17.75n
n = 568/17.75
n = 32
So, to make $993 in one week, Candace must make 32 sales.