Answer: 4.5
Step-by-step explanation:

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Answer:
6 = 2 * 3 so it is composite
22 = 2 * 11 so it is composite
29 is a prime number
Step-by-step explanation:
Answer:
There are 24 girls.
Step-by-step explanation:
56 total students divided into 7 parts (4 parts boys and 3 parts girls) is 8.
8 times 3(ratio of girls) is equal to 24.