Answer:
a. While it did have access to light, the plant stored energy in the form of sugars or starch, and it was able to derive energy from the stored molecules during your vacation
Explanation:
Though the healthy philodendron is placed in the dark, it has access to light since plan can store energy in the form of sugars or starch. In dark milieu, the plan can be able to derive energy from the stored molecules of sugars or starch. Philodendron, therefore, remains healthy during the vacation even if it is kept in dark.
When dividing by a fraction, it is the same as multiplying by the reciprocal (the fraction flipped)

3/4 is the answer.
Hope this helps!
B is the answer they provide factual information to support the authors point of view