Rachel budget $76.50 for school clothes. this is 0.45 of her total budget. how much does rachel have in her total budget?

Can i get some on 18,20,& 22? or one of them

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

Ineed me i stuck and i don’t want to get it wrong