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Nataliya [291]
3 years ago
12

HELP, HURRY PLEASE !!! Shown below are the steps a student took to solve the simple interest formula A = P(1 + rt) for r. A = P(

1 + rt) A = P+ rt A - P= rt r = (A - P)/t Explain the algebraic error in the student’s work. Then, state how the equation can be modified to produce the correct result.
Mathematics
2 answers:
Ilya [14]3 years ago
8 0

Answer:

The student did not distribute properly to get A = P + Prt.

The equation can be fixed by putting a factor of P in the denominator: r = (A - P) / (Pt)


I just took this part of the lesson. Good luck to all!


nirvana33 [79]3 years ago
7 0
The student didnt distribute the P correctly

<span>A = P(1 + rt)
</span>A = P+Prt
A-P=Prt
(A-P)/(Pt)=r
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