8+n
N = 12
N/2 = 3 so N = 6
The name of a two-digit number that has eight letters is "ninety-nine." This number is spelled out as "N-I-N-E-T-Y-H-I-N-E" which consists of eight letters.
n=1 is the the lowest level there is.
8+n
decreased
eight eight
N = -4 and 3/8
Eight.
n = 1.5
2
N = 12
N/2 = 3 so N = 6
3n + 15 equals 3 times the number n, the answer to which is increased by 15. It can only be evaluated if the value of n is known. The expression can be factorised but that is of marginal help in evaluating it.
The name of a two-digit number that has eight letters is "ninety-nine." This number is spelled out as "N-I-N-E-T-Y-H-I-N-E" which consists of eight letters.
two