Sally designs webpages for customers. She charges $135.50 per web page; However she must pay a monthly rental fee of $650 for her office. Right in expression to determine her take-home pay after expenses.

The expression to determine her take-home pay after expenses is p = 135.50x - 650

Solution:

Given that Sally designs webpages for customers

She charges $135.50 per web page

Let "x" be the number of webpages she designed per month

Let "p" be the money she takes home after expenses

One webpage cost = $ 135.50

Then for "x" webpages she designs, cost = 135.50x

She must pay a monthly rental fee of $650 for her office

The expression to determine her take-home pay after expenses is given as:

pay after expenses = money earned from designing "x" webpages - monthly rental fee

p = 135.50x - 650

Thus the expression is found out