Answer:
8/12
hope this helps
have a good day :)
Step-by-step explanation:
We can add the money he spent to the money he had left to find the total.
4.85 + 15.9 + 8.20 = 28.95
He started with 28.95
Answer:

Step-by-step explanation:
(2 decimal places)
If you want to arrange the tiles into a square, you will need 3.46 in each row/column.
This is physically impossible, hence you round it down to 3.
(If you round it up, you won't have enough tiles since
)
Thus, the square area will be 
Tiles left: 
Step-by-step explanation:
{9x+3y=-36
y=-3x-21
9x-9x-36=-36
y=-3x-21
x=0
y=-21