Respuesta :

1 + f < 7

use each of the values given and the one that makes the inequality true will be the answer.

1 + 5 < 7
6 < 7

1 + 6 < 7
7 < 7

1 + 7 < 7
8 < 7

5 is the answer because non of the inequalities are true.

Hope this helps :)