Question

the half of the sum of two consecutive prime number is 30.find the first prime number of that pair​

Answer 1

Step-by-step explanation:

x + x + 2 /2 = 30

2x + 2 /2 = 30

2x + 2 = 60

2x = 58

x = 29

So , the prime no. are 29 and 31