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How do you solve 52.5 is what percent of 7 using an algebraically process?
Wiki User
∙ 11y ago
Let R = % rateEquation: 52.5 = R * 7
7R = 52.5
divide the equatio
n by 7
R = 52.5/7
R = 7.5
Multiply by 100%
Thus; R = 750%
Wiki User
∙ 11y ago
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Using algebra to solve this problem (12 + .25x = 30), the answer (x) is 72.
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Solve, using the Rule of 72 rate = 4%, years = 18, fv=$8,000. Solve for PV. Formula: PV = $1/(1+r) t PV = $8000/(1+.04) 18 PV = $8000/2.0258 3949.03 = $8000/2.20258
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