Answer: 1/3 and t/9
there are 3 trombones in the orchestra
Step-by-step explanation: it says the ratio of trombones to violas is 1/3 so that’s ur first one and it says there’s 9 violas so there’s ur 2nd one. 9 divided by 3 is 3 so you would multiply 1 by 3 and the answer is 3, making it 3 trombones in the orchestra