SOLUTION: You are standing on a sidewalk and watching a parade pass by. Here are the observations you make: 1. For the first 7 minutes, 50 people walk by you per minute. 2. This rate dec

Algebra ->  Finance -> SOLUTION: You are standing on a sidewalk and watching a parade pass by. Here are the observations you make: 1. For the first 7 minutes, 50 people walk by you per minute. 2. This rate dec      Log On


   



Question 1043829: You are standing on a sidewalk and watching a parade pass by. Here are the observations you make:
1. For the first 7 minutes, 50 people walk by you per minute.
2. This rate decreases by 20% for the next 3 minutes.
3. This rate decreases by 50% for the next 2 minutes.
How many people passed by you?

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
[ 50 people/min ] x [ 7 min ] = [ 350 people ]
+50%2A7+=+350+ people
----------------------
+.8%2A50+=+40+ people/min
+40%2A3+=+120+ people
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+.5%2A40+=+20+ people/min
+20%2A2+=+40+ people
----------------------
+350+%2B+120+%2B+40+=+510+
510 people passed by