In the high school band there are 2 percussionists on the sidelines to every 13 marching instruments. if the high school band has 180 total members then how many percussionists are on the sidelines

Step-by-step explanation:

Let be "x" the number of percussionist that are on the sidelines.

The procedure to find "x" is:

1. There are 2 percussionists on the sidelines to every 13 marching instruments, then the sum is:

2. Knowing that the high school band has 180 total members, you can write the following proportion:

3. Finally, you must solve for "x" in order to find its value:

Therefore, there are 24 percussionists on the sidelines.

it's d.

step-by-step explanation:

because: -1(4x + 1y) +2 (1x-3y) distribute each number into the parenthesis.

then you would get: -4x - 1y + 2x -6y combine like terms

and get: 2x -7y

hope my answer has you if not then i'm sorry.

28

step-by-step explanation:

because that's the answer