Ido not understand how to solve this. can someone explain in a way i can understand.

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

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120

Which graph represents the linear function below? y-3=1/2(x+2)