Apitcher of orange juice is made from a can of frozen orange juice by mixing 3 ounces of frozen juice with 5 ounces of water. how many ounces of frozen juice are needed if 20 ounces of water is used

On an airplane there are two seats on the left side and three seats on the right side there are 90 seats o the right side of the plane

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?