Dan and Michael start saving to buy a car at the same time. Dan starts with $10,000 in his account. He saves an average of $100 per week. The equation below can be used to determine how much he has in his bank account, a, after saving for any number of weeks, w.

a = 100w + 10,000

Michael starts with $7,000 in his account. He saves an average of $400 per week.

(A) Write an equation for this scenario. Make sure to use a and w for your variables.

(no spaces and use a comma if necessary)

(B) Now find how many weeks it will take until Dan and Michael have the same amount in their accounts.

weeks

(C) Now, find out how much will be in the account, a, when the number of weeks, w, is the same?

(use a $ and comma if necessary)


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