Explanation:
Here, given that;
The total value of land us $18000.00
tax per $100.00 is $0.70
now,
$100.00 taxes $0.70
$18000.00 taxes ($18000.00÷100)/$0.70 (as in question given that the tax is charged in each $100)
= $126.
is the required tax amount.
Hope it helps..