Answer:
x=1.3288 or -1.1288
Step-by-step explanation:
Given 
Subtract 4x from both sides

Since we can factor out 2 from whole equation, let's factor out 2.

Divide with 2 on both sides

We got the quadratic equation, we can solve for x using quadratic formula.





First we will subtract 16 acres from total land 349 acres.
349-16=333 acres
Now divide 333 by 3
Answer will be 111 lots of 3 acres.
Read it carefully. It's telling you the answer in the problem! There is one teacher for every 11 students. Of course there are more students!