Kiersten runs a website that people learn programming. every month, kiersten receives a subscription fee of \$10$10dollar sign, 10 from each of the subscribers to her website. last month, the website had 100100100 subscribers. this month, 303030 new members joined the website, and 101010 members cancelled their subscription.

The answer is $1200.

Step-by-step explanation:

Every month, Kiersten receives a subscription fee of $10.

Last month, the website had 100 subscribers.

This month, 30 new members joined the website, and 10 members cancelled their subscription.

So, total subscription this month =

Hence, her earnings this month will be = dollars

this was already solved by me with a different person. if you look it up in the search bar at the top of the page, you will get the answer.

step-by-step explanation:

a. is correct