Respuesta :
Answer:
3
Step-by-step explanation:
1.25 / 5 = 0.25
0.25 * (x + 9) = x
0.75 * (x + 9) = 9
9 / 0.75 = 12
12 * .25 = 3
Answer:
3
Step-by-step explanation:
1.25 / 5 = 0.25
0.25 * (x + 9) = x
0.75 * (x + 9) = 9
9 / 0.75 = 12
12 * .25 = 3