Alfredo is buying a watch for $200. He will make an initial payment of $50 and then pay the remaining balance in payments for $15 per week. Which function can be used to find a, the amount he will still need to pay at the end of n weeks? *

multiplication

Step-by-step explanation:

70,000 + 6,000 + 800 + 30

step-by-step explanation:

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.