Given
base = 10.6 yd
height = 6.4 yd - 1.4 yd = 5 yd
Solve for the area of the parallelogram first
[tex]\begin{gathered} A=bh \\ A=(10.6\text{ yd})(5\text{ yd}) \\ A=53\text{ yd}^2 \end{gathered}[/tex]
Now that we have solved for the area, divide by 4 square yards, to determine the number of cans of sealant needed.
[tex]53\div4=13.25[/tex]
The result is 13.25 cans, therefore the city will be needing 14 cans in total for the treatment.
