I need help I'm failing plz god bless you!

Ineed in figuring out this problem.

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad