Question

S1- 4.50 Time = 5 months Rate=4.5% principal ?​

Answer 1

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$\bf SI \: = \frac{P \times R \times T}{100} \\ \\ \bf 4.50 \: = \frac{P \times 4.5 \times 5}{100} \\ \\ \bf P \: = \frac{100}{5} \\ \\ \bf P = 20$

Answer 2

SI= 100/P×R×T

P×R×T

P×R×T

P×R×T 4.50= 100/P×4.5×5

P×4.5×5

P×4.5×5

P×4.5×5 P= 5/100

100

100P=20

100P=20