Answer:
156in squared
Step-by-step explanation:
Divide vat by price
40/400 = 0.1
Multiply by 100
0.1 x 100 = 10%
Rate of vat is 10%
5
-4w+7=-10w+37
+10w +10w
=============
6w+ 7=37
-7 -7
==========
6w=30
/6 /6
w=5
