1.There are 240 boxes of caramel popcorn on the grocery store shelf. IF 2 out of every 15 boxes contain a secret decoer ring as a prize how many boxes can be expected to contain a secret decoder ring?
2.The ratio of green tiles to purple tiles in the art class is 5 to 8. If there were 72 purple tiles in the design how many green tiles would there be
3.A poll conducted recently by the school cafeteria asked students to name their favorite food. The table below shows the results
Food Number of votes
hot dogs 15
If 500 students were interviewed in a second poll how many would be expected to select tacos as their favorite?