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Sagot :
Answer:
I invested $ 10,000 at 7% per year, and $ 1,000 at 3% per year.
Step-by-step explanation:
Given that I invested $ 11,000 in two accounts paying 3% and 7% annual interest, respectively, if the total interest earned for the year was $ 730, to determine how much was invested at each rate, the following calculation must be performed:
5,000 x 0.07 + 6,000 x 0.03 = 530
8,000 x 0.07 + 3,000 x 0.03 = 650
10,000 x 0.07 + 1,000 x 0.03 = 730
Therefore, I invested $ 10,000 at 7% per year, and $ 1,000 at 3% per year.
Answer:
A 3% = 1000 and B 7% = 10000
Step-by-step explanation:
A + B = 11000
A * 0.03 + B * 0.07 = $730
A = 11000 - B
(11000 - B)*0.03 + B*0.07 = 730
330 - 0.03B + 0.07B = 730
330 + 0.04B = 730
0.04B = 400
B = 10000
A = 11000 - B = 11000 - 10000
A = 1000
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