Answer:
x = 4
Step-by-step explanation:
We can use cross products to solve
84/12 = 28/x
84 * x = 12 *28
Divide each side by 84
84x/84 = 12*28/84
x =4
1/4 because if you divide 4 and 16 by 4, you will get 1/4.
Answer: last one
Step-by-step explanation: