Dave receives a salary of $200 a week plus a commission of 10% of his weekly sales. An equation y=mx+b represents Dave’s weekly earnings. The y-intercept is Dave’s base salary. The slope of the line is his commission.Write an equation representing Dave’s weekly earnings.

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irspow irspow · Answer 1 · 2017-03-19T22:31:47+01:00

y=200+x/10 or more neatly

y=(2000+x)/10

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slicergiza slicergiza · Answer 2 · 2019-10-24T12:19:14+02:00

Answer:

y = 0.1x + 200,

Slope = 0.1,

y-intercept = 200

Step-by-step explanation:

Given,

The original salary = $ 200,

Commission percentage on the sale = 10%,

If Dave sold x units,

Thus, the amount of commission for x units sale = 10% of x,

[tex]=\frac{10\times x}{100}[/tex]

= 0.1x

Then, the total earning = commission for x units + original salary

⇒ y = 0.1x + 200,

∵ the slope of the line y = mx + c is m,

So, the slope = 0.1,

For y-intercept, x = 0,

⇒ y = 200

Thus, y-intercept is 200.