Radius on a coordinated plane
Answer:
Attached in file. I did this on paper, apologies if the PDF is blurry.
Answer:
64 textbooks
Step-by-step explanation:
the first two teachers had 21 students each that's 21+21=42
the other teacher had 22 students so apparently all the textbooks handed to the students are,21+21+22=64
I think the answer is about 80 cents