Step-by-step explanation:
c
Answer:
16n + 18
-5n + 3(6 + 7n)
Distributing the 3 over the parenthesis:-
= -5n + 3*6 + 3*7n
= -5n + 18 + 21n
= 16n + 18
50 - 19.83 = $30.17