Math worksheet for comparing decimal numbers with interest calculations.
Worksheet with 12 math problems comparing decimal numbers, each with principal, interest rate, time, and simple interest values.
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ID: #842411
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Show Answer Key & Explanations
Step-by-step solution for: Calculating Interest Worksheets
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Show Answer Key & Explanations
Step-by-step solution for: Calculating Interest Worksheets
1. $ P = 822,750 $, $ r = 0.045 $, $ t = 15 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 822,750(1 + 0.045/1)^{1 \times 15} $
- $ A = 822,750(1.045)^{15} $
- $ A = 822,750 \times 1.935282 $
- $ A = 1,591,086.18 $
- $ I = A - P $
- $ I = 1,591,086.18 - 822,750 $
- $ I = 768,336.18 $
2. $ P = 828,870 $, $ r = 0.035 $, $ t = 20 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 828,870(1 + 0.035/1)^{1 \times 20} $
- $ A = 828,870(1.035)^{20} $
- $ A = 828,870 \times 1.989789 $
- $ A = 1,649,665.62 $
- $ I = A - P $
- $ I = 1,649,665.62 - 828,870 $
- $ I = 820,795.62 $
3. $ P = 808,850 $, $ r = 0.07 $, $ t = 10 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 808,850(1 + 0.07/1)^{1 \times 10} $
- $ A = 808,850(1.07)^{10} $
- $ A = 808,850 \times 1.967151 $
- $ A = 1,589,338.83 $
- $ I = A - P $
- $ I = 1,589,338.83 - 808,850 $
- $ I = 780,488.83 $
4. $ P = 827,450 $, $ r = 0.05 $, $ t = 15 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 827,450(1 + 0.05/1)^{1 \times 15} $
- $ A = 827,450(1.05)^{15} $
- $ A = 827,450 \times 2.078928 $
- $ A = 1,720,752.47 $
- $ I = A - P $
- $ I = 1,720,752.47 - 827,450 $
- $ I = 893,302.47 $
5. $ P = 827,000 $, $ r = 0.03 $, $ t = 20 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 827,000(1 + 0.03/1)^{1 \times 20} $
- $ A = 827,000(1.03)^{20} $
- $ A = 827,000 \times 1.806111 $
- $ A = 1,494,552.79 $
- $ I = A - P $
- $ I = 1,494,552.79 - 827,000 $
- $ I = 667,552.79 $
6. $ P = 831,800 $, $ r = 0.025 $, $ t = 25 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 831,800(1 + 0.025/1)^{1 \times 25} $
- $ A = 831,800(1.025)^{25} $
- $ A = 831,800 \times 1.853241 $
- $ A = 1,541,626.46 $
- $ I = A - P $
- $ I = 1,541,626.46 - 831,800 $
- $ I = 709,826.46 $
7. $ P = 832,900 $, $ r = 0.03 $, $ t = 10 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 832,900(1 + 0.03/1)^{1 \times 10} $
- $ A = 832,900(1.03)^{10} $
- $ A = 832,900 \times 1.343916 $
- $ A = 1,119,652.99 $
- $ I = A - P $
- $ I = 1,119,652.99 - 832,900 $
- $ I = 286,752.99 $
8. $ P = 835,000 $, $ r = 0.035 $, $ t = 15 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 835,000(1 + 0.035/1)^{1 \times 15} $
- $ A = 835,000(1.035)^{15} $
- $ A = 835,000 \times 1.675351 $
- $ A = 1,398,436.99 $
- $ I = A - P $
- $ I = 1,398,436.99 - 835,000 $
- $ I = 563,436.99 $
9. $ P = 831,900 $, $ r = 0.02 $, $ t = 15 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 831,900(1 + 0.02/1)^{1 \times 15} $
- $ A = 831,900(1.02)^{15} $
- $ A = 831,900 \times 1.345868 $
- $ A = 1,119,918.99 $
- $ I = A - P $
- $ I = 1,119,918.99 - 831,900 $
- $ I = 288,018.99 $
10. $ P = 830,000 $, $ r = 0.04 $, $ t = 20 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 830,000(1 + 0.04/1)^{1 \times 20} $
- $ A = 830,000(1.04)^{20} $
- $ A = 830,000 \times 2.191123 $
- $ A = 1,818,632.09 $
- $ I = A - P $
- $ I = 1,818,632.09 - 830,000 $
- $ I = 988,632.09 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 822,750(1 + 0.045/1)^{1 \times 15} $
- $ A = 822,750(1.045)^{15} $
- $ A = 822,750 \times 1.935282 $
- $ A = 1,591,086.18 $
- $ I = A - P $
- $ I = 1,591,086.18 - 822,750 $
- $ I = 768,336.18 $
2. $ P = 828,870 $, $ r = 0.035 $, $ t = 20 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 828,870(1 + 0.035/1)^{1 \times 20} $
- $ A = 828,870(1.035)^{20} $
- $ A = 828,870 \times 1.989789 $
- $ A = 1,649,665.62 $
- $ I = A - P $
- $ I = 1,649,665.62 - 828,870 $
- $ I = 820,795.62 $
3. $ P = 808,850 $, $ r = 0.07 $, $ t = 10 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 808,850(1 + 0.07/1)^{1 \times 10} $
- $ A = 808,850(1.07)^{10} $
- $ A = 808,850 \times 1.967151 $
- $ A = 1,589,338.83 $
- $ I = A - P $
- $ I = 1,589,338.83 - 808,850 $
- $ I = 780,488.83 $
4. $ P = 827,450 $, $ r = 0.05 $, $ t = 15 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 827,450(1 + 0.05/1)^{1 \times 15} $
- $ A = 827,450(1.05)^{15} $
- $ A = 827,450 \times 2.078928 $
- $ A = 1,720,752.47 $
- $ I = A - P $
- $ I = 1,720,752.47 - 827,450 $
- $ I = 893,302.47 $
5. $ P = 827,000 $, $ r = 0.03 $, $ t = 20 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 827,000(1 + 0.03/1)^{1 \times 20} $
- $ A = 827,000(1.03)^{20} $
- $ A = 827,000 \times 1.806111 $
- $ A = 1,494,552.79 $
- $ I = A - P $
- $ I = 1,494,552.79 - 827,000 $
- $ I = 667,552.79 $
6. $ P = 831,800 $, $ r = 0.025 $, $ t = 25 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 831,800(1 + 0.025/1)^{1 \times 25} $
- $ A = 831,800(1.025)^{25} $
- $ A = 831,800 \times 1.853241 $
- $ A = 1,541,626.46 $
- $ I = A - P $
- $ I = 1,541,626.46 - 831,800 $
- $ I = 709,826.46 $
7. $ P = 832,900 $, $ r = 0.03 $, $ t = 10 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 832,900(1 + 0.03/1)^{1 \times 10} $
- $ A = 832,900(1.03)^{10} $
- $ A = 832,900 \times 1.343916 $
- $ A = 1,119,652.99 $
- $ I = A - P $
- $ I = 1,119,652.99 - 832,900 $
- $ I = 286,752.99 $
8. $ P = 835,000 $, $ r = 0.035 $, $ t = 15 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 835,000(1 + 0.035/1)^{1 \times 15} $
- $ A = 835,000(1.035)^{15} $
- $ A = 835,000 \times 1.675351 $
- $ A = 1,398,436.99 $
- $ I = A - P $
- $ I = 1,398,436.99 - 835,000 $
- $ I = 563,436.99 $
9. $ P = 831,900 $, $ r = 0.02 $, $ t = 15 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 831,900(1 + 0.02/1)^{1 \times 15} $
- $ A = 831,900(1.02)^{15} $
- $ A = 831,900 \times 1.345868 $
- $ A = 1,119,918.99 $
- $ I = A - P $
- $ I = 1,119,918.99 - 831,900 $
- $ I = 288,018.99 $
10. $ P = 830,000 $, $ r = 0.04 $, $ t = 20 $, $ n = 1 $
- $ A = P(1 + r/n)^{nt} $
- $ A = 830,000(1 + 0.04/1)^{1 \times 20} $
- $ A = 830,000(1.04)^{20} $
- $ A = 830,000 \times 2.191123 $
- $ A = 1,818,632.09 $
- $ I = A - P $
- $ I = 1,818,632.09 - 830,000 $
- $ I = 988,632.09 $
Parent Tip: Review the logic above to help your child master the concept of simple interest word problems worksheet.