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)

C. The square root of 144
There are 18 possibilities and only one of them is a thin crust pepperoni with tea so it is 1/18
Answer:
8 bins filled completely; remaining rice fills ⅓ bin.
Step-by-step explanation: