Linda has 25 students in her class, and she wants each student to have 3 ice-cream sandwiches. If there are 15 sandwiches in a box, how many boxes should Linda buy?

Each must have 3

3 times number of studnets=popsicles she must buy

3 times 25=75

she needs 75 posicles

number of poples bought=number per box times number of boxes

needs 75

75=15 times number of box

divide both sides by 15

5=number of boxes

should buy 5 boxes