Answer:
As per the statement:
Here, x represents the total sales in dollars
Total weekly pay of Alexa in dollar is represented by:
and
Total weekly pay of Samantha in dollar is represented by:
We have to find the value of x, in dollars that will make their weekly pay the same.
⇒
Substitute the values we have;

Subtract 250 from both sides we get;

Subtract 0.085 x from both sides we get;

Divide both sides by 0.01 we have;

Simplify:
x = $16300
Therefore, $16300 that will make their weekly pay the same