Rahul made three Indian clay curry pots. He wants to see if he can place them in the oven at the same time.
The diameter of the second pot is of the diameter of his first
pot.
cm wider than the diameter
The diameter of the third pot is
of his second pot.
The sum of the diameters of the three pots is 47.5 cm.

What equation represents the sum of the diameters of all three lord and what is the value of y?