Ok first you mean median and 2 I think you would use because if you are make a statement about half the store then you are going to use the range
That expression can be expanded to be . . . <em>4x + 20</em> .
But the original one is simpler.
Answer:
the duplicate ratio of a : b
= a²/b²
Step-by-step explanation:
for example:-
for understanding
if u wanna find the duplicate ratio of 4:5
so,
4²/5²= 16/25
•°• 16:25
16:25 is your duplicate ratio of 4:5
N - the number
6 × n - 11 = 6n - 11