Answer:
[tex]1,605\ ft^{2}[/tex]
Step-by-step explanation:
step 1
Find the area of the garden space
First convert mixed number to an improper fraction
[tex]10\frac{5}{6}\ ft=\frac{10*6+5}{6}=\frac{65}{6}\ ft[/tex]
[tex]A=\frac{65}{6}*18=195\ ft^{2}[/tex]
step 2
Find how much more land Farmer Jack needs to plant the rest of his corn
[tex]1,800\ ft^{2}-195\ ft^{2}=1,605\ ft^{2}[/tex]