1/3n - 8 = -13 <== ur equation
1/3n = -13 + 8
1/3n = - 5
n = -5 * 3
n = -15
check..
1/3(-15) - 8 = -13
-5 - 8 = -13
-13 = -13 (correct)
so the number (n) = -15
Answer:
Step-by-step explanation: A, because to now the amount that was sold each month during that year you gave to determine the average
Answer:
I think it's b I'm not sure I'm sorry if it's wrong