Solve.How can $56,000 be invested, part at 4% annual simple interest and the remainder at 10% annual simple interest, so that the interest earned by the two accounts is equal at the end of the year?
A. $26,000 invested at 4%; $30,000 invested at 10%
B. $16,000 invested at 4%; $40,000 invested at 10%
C. $30,000 invested at 4%; $26,000 invested at 10%
D. $40,000 invested at 4%; $16,000 invested at 10%
Answer: D
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