+0  
 
0
26
1
avatar

Kathy bikes 9 miles on Monday.  Each subsequent day she bikes 12% more than she did the previous day.  By the end of the day on Friday, how many total miles has Kathy biked?  Express your answer to the nearest whole number.

 Jul 27, 2022
 #1
avatar+45 
0

Geometric Sum  where  r = 1.12   

 

   9 [ 1 - (1.12)^5] /  [ 1 -  1.12 ]  ≈  57 miles

 

-CPhill

 Jul 27, 2022

12 Online Users

avatar