Answer:
3/28
Step-by-step explanation:
3 girls to 5 boys
3+5 =8
120/8 = 15
3 *15 = 45 girls
- (27n^3 - 12n - 1) over 3n
750 people will come in at 15 hours.
350 divided by 7=50 50 times 15=750
sorry i don't know the rest