Answer:
A) 199 to 426 students
Step-by-step explanation:
We add and subtract the margin of error on the original percentage
This leaves us with 30% and 14%
30% of 1420 is 426
14% of 1420 199 (rounded to whole number)
40/100 = 22/x
40x = 2200
x = 55
There are 55 students in this class.
Answer:
x=7
Step-by-step explanation:
-6x-14=-8x
-6x+8x=14
2x=14
x=7
Answer:
AC = 18
EB = 5
Step-by-step explanation:
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