A total of $20,000 was invested in two
certificates of deposit at simple annual
interest rates of 6 percent and 8 percent,
respectively. If the total interest on the
two certificates was $1,440 at the
end of one year, what fractional part
of the $20.000 was invested at the
higher rate?
(A)3/8
(B)2/5
(C)1/2
(D)3/5
(E)3/4
certificates of deposit at simple annual
interest rates of 6 percent and 8 percent,
respectively. If the total interest on the
two certificates was $1,440 at the
end of one year, what fractional part
of the $20.000 was invested at the
higher rate?
(A)3/8
(B)2/5
(C)1/2
(D)3/5
(E)3/4
