Answer:
7+d/4
Explanation:
Siete aumentado a la cuarta parte de un numero is the same as to say seven increased to a quarter of a number, or the same as seven plus a quarter of a number. Therefore, algebraically it's translated to <em>7+d/4</em>.
In Puerto Rico, a person might ask "What is going on?" just by wiggle the nose. In most Latin countries, specially in Puerto Rico nonverbal communication is present in their everyday life and it is very common. This also might give a sense of identity as it represents Hispanic culture. <span />