Answer:
1)for x > 3 statement (1) is true.
2) for y < 8 statement (2) is true.
Step-by-step explanation:
Given : two sentences.
1) 
2) 
We have to find for what values of x and y the statement are true.
Consider
1) 
We solve for x ,
Divide both side by 11, we get,

Now, multiply both side by 3, we get,

Thus, for x > 3 statement (1) is true.
2) 
Here, we solve for y ,
Divide both side by 5, we get,

Now, multiply both side by 8, we get,

Thus, for y < 8 statement (2) is true.