Question 502235
L = S+2
so
S = L-2
.
N = 2*S
.
L+S = 30
so
S = 30-L
.
S=S, so we can substitute the values of S.
.
L-2 = 30-L
2L = 32
L = 16
.
Thereofre,
S = 14
.
N = 2*S -28
.
Is the sum of L+S = 30?  Yes.
Is Nathan 2*S?  2*14=28.  Yes.
Correct.
.
Answer:
Larry is 16.
Susan is 14.
Nathan is 28.
.
Done.