Answer:
$25
Step-by-step explanation:
37.50-12.50=$25.00
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)

4x................... I hope it helps
Answer:
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Answer:
-2?
Step-by-step explanation: