It will be 21/40
probability getting both white marbles
3/8×4/10=12/80
probability getting both black marbles
5/8×6/10=30/80
12/80+30/80=42/80= 21/80
The probability is 4:20
It is correct because there are 20 students and there could be 4 guesses
H =8
6 times 6 is 36 and times 8 is 288.
Answer:
6
Step-by-step explanation:
6 goes in 30 5 times.
into 48 six times.
into 60 ten times.