Answer:
Girls: 11
Boys: 18
Step-by-step explanation:
x: number of girls
x+x+7=29
2x=22
x=11
number of guys:
x+7=11+7=18
I believe it to be C
Answer: A
y = 4
y = (1/2)x + 1
when x = 6
y = (1/2)(6) + 1
y = 3 + 1