joe wants to make a scale drawing of a flower for mrs Samuelson. she wants him to use a scale of 2 cm:5in. If the flower is 8 in height in real life, how high should he make his drawing?

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