Greater then or less then
They will each get 1/6 of the pizza.
For the numeric part, you'll have to find the GCD of 15 and 25, which is 5. So, we can factor a 5 and we have

As for the literal part, you can factor
because it's the power of s with the smallest denominator. So, we have

The answer is x is less than or equal to 3. the first answer choice