Step
S – rS = C
S = C + rS
S – C = rS
Multiply both sides by 1 – r
Add rS to both sides
Subtract C from both sides
Divide by S
Done
| Solve for r. | |
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Step |
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S – rS = C S = C + rS S – C = rS
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Multiply both sides by 1 – r Add rS to both sides Subtract C from both sides Divide by S
Done |