Answer:
2:10
Step-by-step explanation:
So add up all the marbles that are in the bag, Then they're asking you of not you getting the green marble and there's 2 green marbles. So it would be the ratio 2:10. Brainliest me please.
Answer:
35
Step-by-step explanation:
Multiply 35 x 35 together
Please mark brainliest
Answer:
9
Step-by-step explanation:
Answer:
a) 320 students
b) 25 students
Step-by-step explanation:
Number of 18-years old in the survey:
(We add all frequency points for each line)
0 + 30 + 20 + 60 + 70 + 40 + 60 + 40 + 0 = 320 students
Number of 18 year old spending between 25 and 35 minutes: 40 + 65 = 105
Number of 12 year old spending between 25 and 35 minutes: 30 + 50 = 80
105 - 80 = 25 students
Answer:
12
Step-by-step explanation: 60