What is the starting amount of caffeine in each person's bloodstream?
Question 3
3.
In which person is the caffeine decreasing the fastest?
Question 4
4.
How much remains after 4 days?
Round to the nearst whole percent.
Question 5
5.
Movie tickets now cost $15 a ticket, but are increasing 10% per year. How much will they cost in 5 years (if there are still movie theaters that is)????
y=a(1+r)^t
Round to the nearest hundredth.
Question 6
6.
Use the fact that minimum wage was $7.25 in 2009, and $6.55 in 2008 to find the growth factor for wages.
Write the growth factor rounded to 3 decimal places. Hint: divide
Question 7
7.
Use your growth factor from last problem to solve.
Start with $7.25 in 2009. If minimum wage would have continued to increase at the same rate, what should minimum wage be currently?
y=a(1+r)^t
Question 8
8.
Sort each as either growth or decay
The value of a motorcycle depreciates in value each year
the value of a 1962 ferarri appreciates in value each year