A day-trader plans to invest a total of $23,400 into 15 separate investments. If each investment requires a minimum deposit of $1,400, then which of the following is the maximum amount that she could put into any one investment?
Choose the correct choice from the following answers: A) $2,200 B) $3,000 C) $3,500 D) $3,800 E) $3,900
We can also just keep track of theHUNDREDS DIGITS(since the hundreds digit is different for each answer choice).   Total of 14 minimized investments = (14)(1400) = $???600   The 15th investment + $???600 = $23,400   So, theHUN$3,800RE$3,800S $3,800IGITSof the 15th investment must be 8   Answer: $3,800
<result>D</result>
A day-trader plans to invest a total of $23,400 into 15 separate investments. If each investment requires a minimum deposit of $1,400, then which of the following is the maximum amount that she could put into any one investment?