In a croyon box there is 5 dark colors for every 8 light colors. if thare are 20 dark colors how many lights

What is the simplified expression for 6(2(y+x))

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

Hi, can anyone show me how to do this problem? 100 points for this. in advance