Here is the solution of the given problem above:
Let s= staples
c = chalk
c + 2s = 10
3c + 2s = 18
-c-2s = -10
3c + 2s = 18
2c = 8
c = 4
s = 3
Therefore, the price per chalk box is $4 and per stapler is $3.
So the total cost of the chalk and stapler would be $7.
Hope this is the answer that you are looking for. Thanks for posting it here in brainly.