Jarad, a middle school student, receives $5000 from his grandmother. he decides to invest it in an interest-bearing account, in hopes of earning enough interest to buy a car at a later date. jarad deposits the entire amount into an account that pays 6.4% interest, compounded weekly. how many weeks must jarad wait for the investment to reach a value of $6300? round your answer up to the next complete week and assume that there are exactly 52 weeks in a year. number of weeks number of weeks