Answer: C and D.
Step-by-step explanation: The pictures show the work. So sorry about the delay -- my computer wasn't letting me type formulas, so I hand-wrote. If you have questions, let me know and I'd be happy to clarify, and if the pictures are sideways, use the rotate button at the top right.
Answer:
About 141 students would attend.
Step-by-step explanation:
423/3=141
Answer:
3/11
Step-by-step explanation: