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In an orchestra the ratio of trombones to violas is 1 to 3.
a.) There are 9 violas. write a proportion that gives the number t of trombones in the orchestra. b.)How many trombones are in the orchestra?

Please help, I'm in 8th grade! (:Thank youu..



Answer :

Not entirely sure about question a... but b would be (lol) 27


Violas     Trombones

1                   3 
2                   6
3                   9
4                   12 
5                    15
6                    18
7                     21
8                     24
9                      27 trombones in all

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