Samuel purchased 2 1/2 lb of nuts for $10.50.how much will 5 1/4 lb cost?

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

We just started the introduction into circles and i have no idea how to do this.