The answer is 4 I am sure it is
Answer:
Function: 
Amount earned for 10 hours of work: 
Step-by-step explanation:
Let be "x" the number of hours worked on a project and "y" the total amount Luigi charges for a project.
Based on the data given in the exercise, you can identify that:
- $140 is a fixed amount.
- For each hour worked on the project, Luigi charges $25. This can be expressed as:

Then, the total amount he charges for a project is the sum of $140 and
. This can be represented with the following function:

To calculate the amount of money earned for 10 hours of work, you must substitute
into the function and evaluate. Then:

Answer:
16x
Step-by-step explanation:
4x + 12x = 16x
Answer:
490 + 175
Step-by-step explanation:
35(14+5)
35x14x=490x
35x5=175
490 + 175 = 665x
Answer:
$7.20
Step-by-step explanation: