Daron has a cord that is 12 inches long and another one that is 21/2feet he connects the teo cords what is the total length , in inches, of the two cords? show your work

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

Determine whether the statement is true or false

Ms.lopez has 4 liters of chemicals that she is going to pour into beakers. each beaker will have 1/4 of a liter of chemicals, how many beakers can ms.lopez fill? draw a model to support your work. (it's ok if you dont)