Answer:
Her Number is 3.
Step-by-step explanation:
3 is a factor of 30, a prime number, and cannot be divided by 5.
3x^2 + 5x + 25 when x = 3
= 3(3)^2 + 5(3) + 25
= 3(9) + 15 + 25
= 27 +15 + 25
= 67
