Answer:
the first one
Step-by-step explanation:
have a great day
we know that the circumference is equal to
we have
substitute
D
Let the cost price be x
y/3
x + 3/3 = y + 2/2
x + 1 = y + 1
x = y + 1 - 1
x = y + 0
x = y
so; x/3 = y/3