The bus fare between two cities is increased in the ratio 7: 9. Find the increase in the fare, if the increased fare is Rs 207.
According to the given information
Increased (new) bus fare = 9/7 x original bus fare
Rs 207 = 9/7 x orignal bus fare
Original bus fare = Rs 207 x 7/9 = Rs 161
∴ Increase in fare = Rs 207 - Rs 161 = Rs 46
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