Sally Invested a Certain Sum of Money at 6%, Twice

question 217

Short Answer

Sally invested a certain sum of money at 6%, twice that sum at 7%, and three times that sum at 8%. Her total yearly interest from all three investments was $176. How much did she invest at each rate? Enter your answer as three numbers in the following order: the amount invested at 6%, the amount invested at 7%, the amount invested at 8%.

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Definitions:

Private Good

A good that is both excludable and rival in consumption.

Ice-Cream Cone

A sweet frozen dessert made from dairy and sugar, often served in a cone-shaped pastry or wafer.

Artificially Scarce Good

A good that is excludable but nonrival in consumption.

Pay-Per-View

A type of television or internet broadcasting service by which a user pays to view a specific television program or event.