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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.

User Theodosis
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1 Answer

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1 : 3

Trombones : violas

t : 9

t = 1/3v

t= 1/3 x 9

t = 3

3 : 9

3 trombones : 9 violas
User Surhidamatya
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