Cost price=£180 selling price=£243 percentage profit?

the square root of what number? if you add that, then someone will probably answer the question.

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

mark brainliest!