Question

wendy earns $2 for every table she serves plus 20% of the total customer order. define a variable and write an expression to represent the amount of money she earns for one table.

Answer 1

The total customer order is the unknown or variable here. You can use x to represent the total customer order.

For one table, Wendy earns $2 plus 20% of x which looks like this as an expression:

2 + 0.2x

0.2 is the decimal equivalent to 20%