One angle of a parallelogram is 5 times another angle of the parallelogram. The measure of the largest angle of the parallelogram is... *If you don't mind adding the label plz, it would help a lot thanks :)

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.