Given that a, b and c are three consecutive multiples of 5('a' being the smallest). Choose the correct option.
b = a + 5
c = b + 5
a = c - 10
The consecutive multiples of '5' differ by 5.
So, b = a + 5
c = b + 5
c = a + 5 + 5
c = a + 10
a = c - 10