Please Help ASAP

so i’m kinda new to weed and this weekend i’m going on a family trip and my friend got me some gummies 600 mg and the last time i had an edible i ate a fourth and it was 250 mg and greened i’m worried it’ll happen again and i’ll be caught by my family how much do you guys think i should take? also if it makes any difference i’m 5’2 and 140 lbs