50
Make a proportion 44/100 22/?
Check the photo for an explanation
Step-by-step explanation:
0.2x² − 0.8x = 1.6
Multiply both sides by 5.
x² − 4x = 8
Complete the square by adding 4 to both sides.
x² − 4x + 4 = 12
(x − 2)² = 12
x − 2 = ±√12
x = 2 ± √12
The positive solution is x = 2 + √12 ≈ 5.46.
Answer:
The best answer is C
Step-by-step explanation:
A is not correct because the total amount of people that participated is 300
B is no correct because the 75% would be more than 20
C is correct because 20% of 100 is 20
D is wrong because A has more people supporting raising it.
correct me if I am wrong.
