At a certain rate of simple interest, Rs 10000 becomes Rs 12400 in 3 years. What sum of money will become Rs 9900 in 4 years at the same rate of interest?

Step-by-step explanation:

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step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)