Answer:
Please see the attached picture for the full solution.

thus meaning that $6.5 will be removed.

the price before tax is now $19.49 or 19.5
now for the tax

now we add

your total is $20.7
Factor out 0.1t (t + 16)
t + 16 = 0
Subtract 16 from both sides
t = -16
After 16 years the income begins to decline
Answer:
5750
Step-by-step explanation:
5000+250=5250
5250+350=5500
5500+250=5750
We know that the ratio is 6:9 green to blue balloons. We can divide 1620 by 9. This gives us 180. Next, we multiply 6 * 180. This gives us 1080.
There are 1,080 green balloons.