If 75% of the budget is $1200, what is the full budget, use a tape diagram

In two or more complete sentences describe how to determine the appropriate model for the set of data, (1,1), (3,2), (6,3), (11,4).

Ateam of runners is needed to run a 1 2 -mile relay race. if each runner must run 1 4 mile, how many runners will be needed?

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?