PLZ HELP MY BRAIN HAS TURNED OFF (don't mind the orange dot thing it starts on one of them)

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?