55(0.2) = 11 Adult tickets. Take the total amount and times in by 20% to get the total adult tickets sold because they consisted of 20% of the tickets.
Step-by-step explanation:
We have to make x the subject:
y = x² + 4x + 4.
=> y = (x + 2)² by completing the square
=> x + 2 = ±√y
=> x = ±√y - 2
Therefore the inverse is y = ±√x - 2.
Answer:
200
Step-by-step explanation:
Well, 1 pound is 16 ouces, so you would just need to do 16/0.08 and it should give you the awnser!
16/0.08=200
200 dimes would be a pound