220miles / 4 hours = 55 miles/hr
55mi/hr x 7hrs = 385 miles
Multiply 240 by 5 to get 1200 miles then add the 40 from the first day so it took 5 days
Answer:
The exponential growth function is 
Step-by-step explanation:
Given: The population of a certain city was 145,380 in 2000 and 219,135 in 2010.
To find: exponential growth function that models the growth of the city
Solution:
The exponential growth function is given by 
Here, P denotes total population after time t
denotes initial population
k denotes rate of growth
t denotes time
As
,

As 

She will have traveled 7,388 miles.
hope this helps!
Number of red marbles in bag = r. b = 10-rProbability of first marble being red: r/10Second marble being red: (r-1)/9total probability = 2/15 = (r-1)*r/90r = 4b = 6