Answer: i believe the correct formula is A
Step-by-step explanation:
We know that,
which means
Now insert the data to get,
Hope this helps :)
23-89=66/2=33
Step-by-step explanation:
LOOK UP!
Find the "unit cost." Divide the total price paid by the number of units sold:
$p
------------ = $(p/8) / lamp
8 lamps
The unit cost is p/8 dollars per lamp.