Mario earned $12,000 last year giving tennis lessons. He invested part of the money at 3% simple

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Mario earned $12,000 last year giving tennis lessons. He invested part of the money at 3% simple interest and the rest at 4%. In one year, he earned a total of $440 in interest. How much did he invest at each rate?

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Intermediate Algebra

ISBN: 9780134895987

13th Edition

Authors: Margaret Lial, John Hornsby, Terry McGinnis

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Question Posted: May 26, 2023 07:16 AM

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Mario earned $12,000 last year giving tennis lessons. He invested part of the money at 3% simple

Question:

Principal Rate (in dollars) (as a decimal) X 0.03 0.04 Interest (in dollars)

Step by Step Answer:

Lets write X dollars to represent Marios investment at 3 Since he made 440 in total from both invest...View the full answer

Intermediate Algebra

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