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11-01-2018
Mathematics

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In an orchestra the ratio of trombones to violas is 1: 3. There are 9 violas. Write a proportion that gives the number t of trombones in the orchestra.

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PeytonBrainly PeytonBrainly

11-01-2018

1 : 3

Trombones : violas

t : 9

t = 1/3v

t= 1/3 x 9

t = 3

3 : 9

3 trombones : 9 violas

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