Answer:2.8 m
Step-by-step explanation:
Given
The current fence height id 2 m
The gardener is told that he must increase the height of his fence by 40%
so new height is [tex]2+2\times 40[/tex]%
[tex]=2+2\times 0.4[/tex]
[tex]=2\left ( 1+.4\right )[/tex]
[tex]=2\left ( 1.4\right )[/tex]
[tex]=2.8 m[/tex]