Solve the problem.Helen Weller invested $13,000 in an account that pays 3% simple interest. How much additional money must be invested in an account that pays 6% simple interest so that the average return on the two investments amounts to 4%?
A. $13,000
B. $6500
C. $10,000
D. $9000
Answer: B
Mathematics
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A. 
B. 
C. 
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Give the additive inverse of the number.-28
A. -28
B. 28
C. 
D. 0
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A. system is inconsistent B. system contains dependent equations
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Solve the equation for the specified variable.A = 
h(B + b) for b
A. b = 2A - Bh
B. b = 
C. b = 
D. b = 
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