I think the answer would be D.
There is 30 students from each grade so we have 30/120 already then add 12 from 9th grade math and add 10 more from 10th grade math, then add 7 from 12th grade math.
30 + 12 + 10 + 7 = 59
59/120 students.
Answer:
yes
yes
x/3
Step-by-step explanation:
those should be right lol
The correct option is B. y=12.75x
cuz, y = total earnings
and x = hours worked
so total earnings(y) should be equal to the amount of money paid for an hour(12.75) * number of hours worked
Answer: 3.8
Step-by-step explanation: See the attached file!