Question

A salesperson earns $200 a week plus a 4% commission on her sales. Which equation models the relationship between her sales in a given week, s, and her weekly earnings, e?

Answer 1

In this problem, we have the following variables:

e: The weekly earnings of a salesperson

s: sales in a given week

A salesperson earns $200 a week plus a 4% commission on her sales, that is, she earns:

$200 plus 0.04 of her sales in a given week

In a mathematical model, this is given by:

e = 200 + 0.04s

Answer 2

The equation that models the weekly earnings of the salesperson is determined as  Y = $200 + 0.04s.

Equation that models the weekly earnings

The equation that models the weekly earnings of the salesperson is determined as follows;

Let the weekly earnings = y

Let the sales in a week = s

y = $200 + (4/100)s

y = $200 + 0.04s

Thus, the equation that models the weekly earnings of the salesperson is determined as  $200 + 0.04s.

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