Answer
225 ml
Step-by-step explanation:
90 ml =2 parts
1 part=45
5 parts= 225
The equation is (assuming you meant the instead of two): T = 15c
Check the picture below.
now, to get how much is the area of the tiled section, we simply get the area of the whole pool, 53x26, which includes the tiles, and then subtract the area without the tile, the rectangle in the middle, and what's leftover, is the area of the tiled area.

You could buy 135 MP3 songs.
($304.25 - $149 = $155.25 | $155.25 / 1.15 = 135)
Answer: 19 ≥ 3z + 1 ≥ - 5