elisadina elisadina

15-09-2017
Mathematics

contestada

The ratio of blue tacks to red tacks on the bulletin board is 3 to 5. There are 50 red tacks. How many blue tacks are on the board?

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caleb4444 caleb4444

15-09-2017

3:5 - ratio
5x10=50
10x3=30
Answer: 30

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