A path is made of white tiles and grey tiles. 1/4 of the tiles are white. Write down the ratio of white tiles to grey tiles. Input note: give your ratio in its simplest form.

1:3

Step-by-step explanation:

If 1/4 of the tiles are white, means that the remaining is grey.

4/4 - 1/4 = 3/4 (Grey tiles)

1:3

y=-2.5x+12.5

step-by-step explanation:

5y=2x+10

y=0.4x+2

slope=-2.5

5=-2.5*3+b

b=12.5