Answer:

Step-by-step explanation:
Let
denotes number of pencils, markers, erasers respectively.
For Andrea:

For Justin:

For Virginia:

On subtracting equations (i) and (ii), we get

Put
in equation (i)

Put
in equation (iii)

Multiply equation (iv) by 5 and equation (v) by 6 and then subtract both the equations.

Put
in equation 

Put
in equation (i)

You need to do 10 divided by 4. Each friend would get 2.5 pounds of a nut.
Answer:
Yes
No
Yes
No
No
Im pretty sure its like that dont hate if i get one wrong
We add 0.00055+0.00104 together.
0.00104+0.00055= 0.00159
I hope this helps!
Answer:
I say 12, but i can be wrong.
Step-by-step explanation: