4 plates and 3 cups cost 16.70 dollars. 5 plates and 4 cups cost 21.20 dollars. Each plate costs the same amount as the other plates, and each cup costs the same amount as the other cups. What is the cost of 1 plate? What is the cost of 1 cup?

Answer :

Answer:Plate $3.20 cup $1.30

Step-by-step explanation:

find the difference 4.50 split 4.50 you get 3.20 and 1.30 and then verify