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Alla [95]
3 years ago
8

7. In an orchestra, the ratio of trombones to violas is 4:6. There are 9 violas. Write and solve a proportion to

Mathematics
1 answer:
yaroslaw [1]3 years ago
8 0

Answer: 6 trombones

Step-by-step explanation:

We can set up a proportion.

Let x be the number of trombones there are.

\frac{4 trombones}{6violas} = \frac{x trombones}{9 violas}

We can cross multiply:

4*9 = 6x

6x = 36

Divide both sides by 6:

x = 6

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