inequality equations: Some students are planning to have a huge dance party....

[yanu]

i dont understand how to write the inequality using this info… please help

 

[BigBeachBanana]

View attachment 35215i dont understand how to write the inequality using this info… please help

Let A be the number of high schoolers charged in advance and D be the number of high schoolers charged at the door.
You were told to expect at most 300 high schoolers, which include those who pay in advance and those who pay at the door.
Can you set up an inequality for this?