Answer:
9
Hope this helps
Step-by-step explanation:
$4.95 times 30 equals $148.50 so $16.50 times 9 eqauls $148.50
The answer would be twelve 12 because 6x.5 is 3 and 3+9 is equal to 12
X= 0 or 2
When you simplify to x(x-2) = 0, you will easily see
It is 420,5040,840 and 1680 is divisible by 2,3,4,5 &6.