3 years ago

Ms. Sears earned $120 in interest over 5 years on money that was invested at 6%. How much was her original investment?

Mathematics

1 answer:

Vera_Pavlovna [14]3 years ago

8 0

Answer:2000

Step-by-step explanation: forgive me if im wrong

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Step-by-step explanation:

Use the cosine law (look at the picture).

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$\cos32^o\approx0.848$ → look at the second picture

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