Answer:
- 
Step-by-step explanation:
The reciprocal of a number n is 
Thus the reciprocal of -
is
= - 
the answer to the problem is150
Answer:
box 1=4
20/5= 4 (if you divide the others by x and y they equal 4)
box 2=512
if every square mile has 4 squirrels. then you multiply 128×4=512
box 3=81 because you divide 324/4=81
Answer:
Pretty sure it's negative 3, cause then X would become -3X. Then when you would add 3X to both sides, it would cancel out both of the -3X then you would be left with 5 = 7, which we all know is not right.