Not sure but you can figure it out.
Answer:
¾ = x
Step-by-step explanation:
Since 3 - 0 gives us the 3, we do this:

0 = -8x + 6 >> Distributive Property
-6 - 6
___________
-6 = -8x
__ ___
-8 -8
¾ = x
I am joyous to assist you anytime.
The answer is: " 6.4 blocks " .
________________________________________________________
3.2 blocks (one way), PLUS: 3.2 blocks the other way:
3.2 + 3.2 = 6.4 blocks .
or: (3.2) * 2 = 6.4 blocks .
________________________________________________
The answer is: " 6.4 blocks " .
________________________________________________
The 24 cubes would weigh exactly 6 pounds.