.) The total cost of a pizza and 3 drinks is $19. The price of the pizza is $10 and each drink is the same price, d.

6) Which model represents the situation?

10

d

d

d

19

10

d

19

10-d

10-d

10-d

19

10

10

10

d

19

o

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