Question

Marcus earns a commission of of the price of every electrical appliance he sells. He also spends $10 on lunch each day. If he sells goods worth x dollars in a day, which expression represents the amount of commission he has left after buying lunch? If he sells goods worth $3,500 in one day, how much of his commission does he have left after buying lunch?

Answer 1

I’m confused on this one but I’m sure I can figure it out with a straight answer, does it tell you how much of a percentage he gets off of his commission???

Answer 2

Answer:

He would have $340 left.

Step-by-step explanation:

Hello, great question. These types are questions are the beginning steps for learning more advanced Algebraic Equations.

We first need to create of formula to then be able to solve this by plugging any amount of sales. The formula needs to multiply 10% in decimal form which is the commission rate (got from the comments) by the total price of the amount sold. Then subtract $10 from that amount.

$T = 0.10x-10$

Now that we have the formula we can plug in the amount in sales to calculate how much he has left after eating lunch.

$T = 0.10(3,500)-10$

$T = 350-10$

$T = 340$

We can see that if Marcus sells $3,500 worth of product then after eating lunch he would have $340 left.

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