Answer:
(4,2.5)
Step-by-step explanation:
I don’t know spanish sorry
Answer:
New Cost of item is 
Step-by-step explanation:
Given:
Original Cost of item = 
Item was marked down by 
To Calculate Cost after
marked down we need to multiply original cost by 50 and then divide by hundred.
Cost after marked down = 
Now New cost of the item is calculated by Subtracting Cost after
marked down by Original Cost of item.
New cost of the item = 
Answer:
3
Step-by-step explanation:
Because in 3xy 3 is the numerical coefficient