How do i get an A star in MAths

stuy

Step-by-step explanation:

x is variable or an unknown value to find

example:

2x = 5 which means x = 3

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!