ANSWER
6
EXPLANATION
The given inequality is
[tex]3.5k - 0.75 \: > \: 20[/tex]
Group similar terms:
[tex]3.5k \: > \: 20 + 0.75[/tex]
[tex]3.5k \: > \: 20.75[/tex]
Divide both sides by 3.5 to get;
[tex]k \: > \: \frac{20.75}{3.5} [/tex]
[tex]k \: > \: 5.9[/tex]
to the nearest tenth.
The only number in the options which is greater than 5.9 is 6.