SOLUTION: trevor is a salesperson who earns a weekly salary and a commission that is 7% of his weekly sales. In one week Trevor's sales were $952.00 and his weekly income was $466.64. In ano

Algebra ->  College  -> Linear Algebra -> SOLUTION: trevor is a salesperson who earns a weekly salary and a commission that is 7% of his weekly sales. In one week Trevor's sales were $952.00 and his weekly income was $466.64. In ano      Log On


   



Question 1091769: trevor is a salesperson who earns a weekly salary and a commission that is 7% of his weekly sales. In one week Trevor's sales were $952.00 and his weekly income was $466.64. In another week his sales were $2515.00 and his weekly income was $576.05.
a. Write a linear equation in slope-intercept form for Trevor's weekly income, y, in terms of his weekly sales, x.
b. What is Trevor's weekly salary?

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
7% of the 1st weeks sales is:
+.07%2A952+=+66.44+
His fixed salary is:
+466.64+-+66.64+=+400+
---------------------------
7% of the 2nd weeks sales is:
+.07%2A2515+=+176.05+
His fixed salary is:
+576.05+-+176.05+=+400+
-----------------------------
In terms of x and y,
+y+=+.07x+%2B+400+
His weekly salary is $400