Four times the sum of a number and two increased by three is at least twenty-seven

Question

Four times the sum of a number and two increased by three is at least twenty-seven

Answer 1

The sum of a number and two is n + 2. Four times that is 4(n + 2) = 4n + 8. 4n + 8 increased by 3 is 4n + 11

 

4n + 11 ≥ 27

4n ≥ 16

n ≥ 4