Percent is parts out of 100 so x%=x/100 so
93%=93/100
Answer:
Company X - 190 students
Company Y - 114 students
No phones - 76 students
Step-by-step explanation:
1) Find a multiplier to get the ratio from sample to population; to compare the sample to the population
380/120 = 3.16666667 or 3 & 1/6
380 comes from the total population of students and 120 comes from the randomly selected.
2) Use our multiplier to compare the results to the population
<u>People with Company X</u>
<u>People with Company Y </u>
<u>People with no cell phone</u>
- 24 * 3.166667 = 76.0000000001 = 76 (rounded)
<u>Double check</u>
190 + 114 + 76 = 380
The answer is c for if you count the spaces in the half of brad, you get 4 and in half of kely, you get 8 which is a 2:1 ratio with kely and brad because kely's bigger
3x = -12
3x/3 = -12/3
x = 4
When you are solving for x, divide the 42 by 7. the x value equals 6.