6 students were in class because the 5 represents on how many groups you need to have
The total number of keys equals:
12 + 5 + 11 + 2 = 30 keys
The probability to pick a sliver key is:
12/30 = 2/5
The probability to pick a copper key is:
11/30
Hope that helps
1) 400+40+3
2) 90+2
3) 100+1
Answer:
uhm i dont know..what math is this??
Step-by-step explanation:
That's simple the answer is 23 over 93.