Answer:
Step-by-step explanation:
x + 12 = y
x = y - 12
A. there are 20 boys and 30 girls.
B.
68.7 out of 100 Boys
Girls im not sure, maybe someone else can answer that sorry
Hope I'm right and this helps sorry i didn't get girls.
Answer:
the correct answer would be c. 20 minuets
Step-by-step explanation: