Question and choices are in the photo please explain the answer

Parks is wearing several rubber bracelets one third of the bracelets are tie-dye 1/6 are blue and 1/3 of the remainder are camouflage if parks wears 2 camouflage bracelets how many bracelets does he have on

Jonathan puts $400 in a bank account. each year the account earns 6% simple interest. how much interest will be earned in 5 years?

At school 460 of the students walk to school the number of students who take public transit is 20% of the number of students who walk. how many students take public transit