Answer:
4(2x+5) or 8x+20
Step-by-step explanation:
Answer:
Two boxes will cost
The cost of one tile is approximately 
Step-by-step explanation:
Note that 1 ft = 12 in, then

The area of the floor is

Now

then
144 sq. in - 1 tile,
9540 sq. in - x tiles.
Mathematically,

tiles is needed to cover the floor (67 full tiles).
Each box of tiles contains 45 tiles, so Cristina has to buy 2 boxes. These two boxes will cost
The cost of one tile is approximately 
Answer:
Step-by-step explanation:
Convert mixed fraction to improper fraction.


78 I think because you have to see the other 2 numbers