Notice , first of all here , that you have exactly three pieces of information there , each of which will figure into a formula somewhere , eventually , which the student will then compute .
Remarquez d&apos; abord ici que l&apos; on donne exactement trois renseignements , içi , chacun servant dans une formule , à un moment ou un autre , que l&apos; étudiant pourra ensuite calculer .