Diane is putting money into a checking account. Let represent the total amount of money in the account (in dollars). Let represent the number of weeks Diane has been adding money. Suppose that x and y are related by the equation 30x+450=y .

Question

Answer the questions below.

What is thechange in the amount of money in the account?
What was the starting amount of money in the account?

Answer 1

From the equation I can tell that Diane
started with $450 , (x=0)
and her account increased by $30 per week

Answer 2

145