Mari packs the same number of oranges in each bag. How many oranges does Mari need to pack 9 bags? How can you determine the number of oranges Mari needs for 13 bags.

Mari needs 27 and 39 oranges for 9 and 13 bags respectively.

Step-by-step explanation:

Consider the below figure attached with this question.

From the below table it is clear the she need 9 oranges for 3 bags.

Number of oranges in each bag = 9/3 = 3 oranges

She packs 3 oranges in each bag.

For 9 bags, the number of oranges = 9×3 = 27 oranges.

For 13 bags, the number of oranges = 13×3 = 39 oranges.

Therefore, Mari needs 27 and 39 oranges for 9 and 13 bags respectively.

step-by-step explanation: