PLEASE HELP I'M BEING TIMED!!! I WILL GIVE BRAINLIEST!! ;3333

A plant nursery in Morristown keeps records of how many of its plants are annuals, biennials, and perennials.

Number of plants:

Annuals:12

Perennials:51

Biennials:12

What percent of the plants are biennials or perennials?

Write your answer using a percent sign (%).