Respuesta :
Answer:
$20
Step-by-step explanation:
15/3=5 which means that for every guest attending Carla's retirement party it must cost her $5 each.
Therefore if 4 guests come to the party it must mean 4(5) which is 20.
Hence $20
Answer:
If there are 4 guest Carla's retirement party will cost $20.
Step-by-step explanation:
First, you have to figure out how much money is needed for one guest;
15÷3= $5
Each guest costs $5. Now you just multiply by 5 by 4.
Thus, the answer is $20.