we know that
[tex] 3 [/tex] tenths is equal to
[tex] \frac{3}{10} =0.30 [/tex]
[tex] 80 [/tex]% is equal to
[tex] \frac{80}{100} =0.80 [/tex]
so
[tex] 3 [/tex] tenths greater than[tex] 80 [/tex]% is equal to add
[tex] 0.30+0.80=1.10 [/tex]
therefore
the answer is
[tex] 1.10 [/tex]