Answer:
321/8 ft^2
Step-by-step explanation:
The whole area is 49/4 × 5 = 245/4 ft^2
The area of tiled floor is 13/2 × 13/4 = 169/8
245/4 - 169/8 we need to equalise the bottom of fraction to subtract so
2/2 × 245/4 = 490/8
490/8 - 169/8 = 321/8 ft^2
Answer:
836m
Step-by-step explanation:
For this case we have the following system of equations:

We multiply the second equation by -1:

We add the equations:

We find the value of "x":

Thus, the solution of the system is given by:

ANswer:
(9, -8)