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| Math Central | Quandaries & Queries |
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Question from Julia: Using the formula I=PRT to figure out the missing variable. P=$9530, T=7 months, A= $9919.14 |
Hi Julia.
A is the accumulated balance, so A = P + I. This means A = P + PRT.
Solve for R, substitute in P, T, and A and calculate the missing rate R.
Stephen La Rocque. >
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