I have 300 friends on facebook and 300 on twitter

I have 300 friends on facebook and 300 on twitter. When I posted pictures of my birthday party, 50 percent of the facebook friends and 42 percent of the twitter friends "liked" my post; what percent of the total number of friends on both social media platform liked my post ?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #49031