Respuesta :
Answer:
Step-by-step explanation:
If x and y are proportional, then y : x = constant.
x=12
We have (4, 3) and (x, 9). Substitute:
cross multiply
divide both sides by 3
Answer:
Step-by-step explanation:
If x and y are proportional, then y : x = constant.
x=12
We have (4, 3) and (x, 9). Substitute:
cross multiply
divide both sides by 3