Solve for proportion

8/13= v/21

please and thanks :)

typically if you want , you would actually put questions here for us to you. but hey, that's just me. maybe someone will magically answer the questions for you without knowing what they are.

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,