Answer:
So the probability of drawing a second red marble is 8 out 10 or 0.8.
Step-by-step explanation:
It seems to me that if one red marble is already gone, there are 8 red marbles left out of a total of 10 marbles.
So the probability of drawing a second red marble is 8 out 10 or 0.8.
Answer:
27/14
Step-by-step explanation:
you can cross multiply and simplify before you start. that way it makes it a lot easier
Let 
be the number of hours worked at Job A and 
the number of hours at Job B. Then
and
From the first equation,
and substituting this into the second gives
42.5 ounces is the answer
i hope this helps :)
Step-by-step explanation:
8.5*5=42.5 ounces
