Answer:
the answer is solved in the image below.
Step-by-step explanation:
$500
x*.8=400
divide .8 from both sides
x=500
4m is the greatest common factor
Tape diagrams are simple. Look at the picture I put in the comments
Answer: 0x³ - 3x² + 7x - 4
+
-x³ + 0x² + 5x - 2
Step-by-step explanation: