SOLUTION: A college student earned $6,300 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at 8% and the rest at 7%. If the student
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Question 631276: A college student earned $6,300 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at 8% and the rest at 7%. If the student received a total of $479 in interest at the end of the year, how much was invested at 8%?
If monetary units are invested, one part at percent interest and the rest at percent interest for one year and monetary units are received in interest overall at the end of the year, then if monetary units is the amount invested at , then the following relationship holds:
Plug in your numbers and solve for
John
My calculator said it, I believe it, that settles it
