Upon encountering these two signs, what is the maximum speed at which we may drive?

Upon encountering these two signs, what is the maximum speed at which we may drive?
A)100 km/h.Correct
B)70 km/h.
On this section of road it is advisable not to exceed approximately 70 km/h, although the meteorological and environmental conditions of the road and of the traffic may be favorable, it is a recommendation. The maximum limit at which we may drive is 100 km/h.