Adelivery man earns $350 per week. he also earns 15% commission on any sales he makes. the function e(s) = 350+0.15s relates his sales, s, to his total weekly earnings, e(s). what were his sales, in dollars, the week he earned $432.50?

$550

Step-by-step explanation:

You need the equation E(s) = 350 + 0.15s, where E(s) represent his total weekly earnings.

If he earned $432.50 this means E(s) = 432.50 and you can write it as:

350 + 0.15s = 432.50 and this is the equation we need to solve

You need to substract 350 on both sides of the equation

350 - 350 +0.15 s = 432.50 - 350

And we get

0.15s = 82.5

Then we divide both sides of the equation by 0.15

0.15s/0.15 = 82.5/0.15

And we get s = 550.

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