Answer: 17
Step-by-step explanation:
Divide both sides of 5y ≥ 84 by 5 to get y ≥ 16.8
The set of prime numbers is {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, ...}
We see that 17 is the smallest prime such that it makes y ≥ 16.8 a true statement. In other words, 17 ≥ 16.8 is true.