SOLUTION: In an electronics experiment 1 white cord is connected to 3 black cords. Each black cord is connected to 5 gray cords. Each gray cord is connected to 7 blue cords. How many blue co

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Question 139695: In an electronics experiment 1 white cord is connected to 3 black cords. Each black cord is connected to 5 gray cords. Each gray cord is connected to 7 blue cords. How many blue cords are there?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
There are 3%2A5+=+15 gray cords
There are 15%2A7+=+105 blue cords