Answer:
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.
