Translate the Verbal Model into a Mathematical Model $s = 3 + r$

Multiple Choice

Translate the verbal model into a mathematical model. The weight of a super-size s order of French Fries is three times that of a regular-size r order.

A) $s = 3 + r$
B) $s = 3 r$
C) $s = \frac { 3 } { r }$
D) $s = 3 - r$
E) $s = \frac { r } { 3 }$