It would take 2 more hours.
Not sure if its right. But hope its what your looking for. :)
Answer:
6 and 2
Step-by-step explanation:
6 times 2 is 12 and 6 plus 2 is 8
There are 4 vertexes, so you know it's a polygon. When you graph these points it looks like the picture I linked below. It's a parallelogram because it has 2 pairs of parallel lines.
Divide vat by price
40/400 = 0.1
Multiply by 100
0.1 x 100 = 10%
Rate of vat is 10%