Answer:
54%
Step-by-step explanation:
total students are 50
20+7 scored at least 81 = 27
27/50=54%
Given is a frequency table showing the students' scores on a recent math test.
Score Frequency
41-50 1
51-60 2
61-70 8
71-80 12
81-90 20
91-100 7
We have to find the percentage of the students scored at least 81
on the test
From the frequency table we find that 20 students gained 81 to 90 and 7 students from 91 to 100
No of studence who scored atleast 80
Total frequency =
Hence percentage of the students scored at least 81
on the test=
Answer is
Answer: 37°F
let me know if this is wrong
30-15=15
15+22=37
Answer: x-10=3
The answer is b or, if it shows different its the second option x-10=3
Got it right on edge 100%
Hope I helped.