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>.
How about saying this instead:
Mi hermano tiene diecinueve años y creo que es perezoso y aburrido.
la respuesta es 30 km/h
espero que te sirva
