Thomas has been saving $40 in the bank every month for six years. His friend Joseph has been saving 2/5 times less money per month. How much money are they having in their savings account altogether? Think carefully first, then make a decision:
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Thomas has been saving for six years, and since each year has 12 months, he has been making savings for 6 * 12 = 72 months. Since Thomas has been saving $40 in the bank every month for six years, he has saved 72 * $40 = $2880. Joseph has been saving 2 / 5 times less money per month than Thomas, meaning he has been saving 2 / 5 * $40 = $16 less per month. The total amount of money that Joseph has been saving per month is $40 - $16 = $24. In six years, Joseph has saved $24 * 72 = $1728. Together, they have saved a total of $2880 + $1728 = $4608. So, the answer is 4608.
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