Beth has $10,000 inuested, part Ot %% and the rest at 10 % per úear. The total yearhy interest was $j90. H0w much 'did' She inuest at each rate? (7% $7,000, 10% $3,000

Calculus: Early Transcendentals
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Author:James Stewart
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Chapter1: Functions And Models
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Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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1 3rd.
3 Beth has $10.000 invested, part_at
%o and the rest at 10 % per úear. The
total yearhy interest was $j90. How
much
7% $7,000, 10% $3,00)
'did' She inuest at each rate?
Transcribed Image Text:1 3rd. 3 Beth has $10.000 invested, part_at %o and the rest at 10 % per úear. The total yearhy interest was $j90. How much 7% $7,000, 10% $3,00) 'did' She inuest at each rate?
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