Answer:
10
Step-by-step explanation:
if thay had 20 eggs in 3 days then u take 12 chikens witch is adding
4 new chikens from the 8 the times then its what divided by 20 givs ur answer <3 have funnn
Number of ways the second grade students can sit on the first row is 5! = 5P5
Number of ways 15 first grade students can sit in the remaining 20 seats is 20P15
Therefore, required number of ways is 5P5 * 20P15. (option B)
Step-by-step explanation:
The correct answer for number 7 is B