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Pavel [41]
3 years ago
14

John invested $30000 in the bank for 4 years. At the end of the period, he had

Mathematics
1 answer:
tester [92]3 years ago
3 0

Answer:

Rate = 10.4%

Step-by-step explanation:

Given :

P = $30000

A = $42520

Interest earned = 42520 - 30000 = $12520

Time = 4years

<em><u>Find R </u></em>

     Interest = \frac{PRT}{100}

        12520 = \frac{30000 \times R \times 4}{100}\\\\12520 = 300 \times 4 \times R\\\\12520 = 1200 \times R\\\\R = \frac{12520}{1200}\\\\R = 10.43 \%

Round to 1 decimal place, Rate = 10.4%

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