Answer Put the equations in Standard Form.
Step-by-step explanation:
Step 1: Put the equations in Standard Form. Step 2: Determine which variable to eliminate. Step 3: Add or subtract the equations. Step 4: Plug back in to find the other variable.
Take the ratio
4:8
Convert it to a fraction
4/8
Divide
.5
Multiply by 100 and add a % sign
50%
The volume of cement is 420 cubic foot. Hope you get it!