Math CentralQuandaries & Queries


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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