Combine like terms the variables first. 4b-15b=-11b
-7+3=-4
-11b-4
Answer:
8,640
Step-by-step explanation:
Hope this helped
Answer:
i think c
Step-by-step explanation:
Answer: 4051 girls, 4862 boys and 1570 adults over 50 years of age group attended the festival.
Step-by-step explanation:
Let x denotes the number of girls.
Then, the number of boys = x+811
The number of adults over 50 years of age = x-2481
Now, by considering the given scenario :-

Thus, the number of girls attended the festival = 4051,
Then number of boys = 4051+811=4862
Number of adults = 4051-2481=1570