Carlie runs two different business. She needs to pay $100 for materials, and pay her associates $12 per hour for
her childcare business. And for her lawn care business, she has to pay $275 for materials, and pays her associates
$10 per hour
Which of the following shows the sum. T. of all of Carlie's expenses from both businesses?

Step-by-step explanation:

Carlie is running two different business.

She needs to pay:

- For the childcare business,

100$ for the materials

12$ per hour for each associate for her childcare business, so if we call:

= the number of hours worked by each associate

= the number of associates

The total cost for the childcare business is:

(1)

- For the lawn care business,

275$ for the materials

10$ per hour for each associate for her lawn care business, so if we call:

= the number of hours worked by each associate

= the number of associates

The total cost for the lawn care business is:

(2)

Therefore, the total expenses from both businesses is the sum of (1) and (2):

the answer is b