Answer:
A and B
Step-by-step explanation:
Given


Required
Determine the appropriate combination
First, we need to determine the factors of 28 and 21


Next, is to bring out the similar traits in both factors


Represent both in terms of bag, we have:
1 bag of 28 nuts
7 bags of 4 nuts
1 bag of 21 dried fruits
7 bags of 3 dried fruits
This gives:
1 bag of 28 nuts and 1 bag of 21 dried fruits
7 bags of 4 nuts and 7 bags of 3 dried fruits
Hence:
<em>Option A and B are correct</em>