It could possibly be the first on but I’m not completely sure
Number 1 is 15 number 2 is 9x3=27 and number 3 is 15 and number 4 is 5x7=35 number number 6 is 5 number 7 is 11 and that is about all i know hope this helps
A is the answer 7th graders are not likely
B. 330/3
Each kid would get 112 beads without rounding the amount of beads
