Give the value of each trigonometric ratio​

Which fraction below is equivalent to 10/12?

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

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class