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Applying and solving Direct Variation Problems on real life examples

A used-car company has just offered their best candidate, Nicole, a position in sales. The position offers 16/100 commission on her sales. Her earnings depend on the amount of her sales. For instance, if she sells a vehicle for $4,600, she will earn $736. She wants to evaluate the offer, but she is not sure how. In this section, we will look at relationships, such as this one, between earnings, sales, and commission rate.

Complete the following:

In the example above, Nicole’s earnings can be found by multiplying her sales by her commission. The Direct variation formula is …………… tells us her earnings y come from the product of 0.16, her commission, and the sale price of the vehicle. If we create a table, we observe that as the sales price increases, the earnings increase as well, which should be intuitive. Complete the table “use calculators “

X sales price Y= kx y Interpretation

$9,200 A sale of a

Vehicle results in $ earnings.

$4,600 A sale of a

Vehicle results in $ earnings

$18,400 A sale of a

Vehicle results in $ earnings.

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