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? , i'm in 8th grade! (: youu..

Givens

So, if there are 9 violas, the number of trombones is three, because 9 violas represents a triple proportion, which means we need to multiply by 3 to find the number of trombones according to the given proportion.

The expression that gives the number of trombones is

The number of trombones is 3, there are 3 trombones while there are 9 violas.

the f

last graph i believe

step-by-step explanation:

worked it out i believe