Answer:
boys:girls:teachers
5 : 4 :1
Step-by-step explanation:
75 boys, 60 girls and 15 teachers
boys:girls:teachers
75 : 60 :15
Divide each term by 15
75 /15 : 60/15 :15/15
5 : 4 :1
Answer: median
Step-by-step explanation:
H=hours
9h= 315
H= 315/9
H= 35
Oliver must work 35 hours to earn $315.
Hopefully, this helps!