14. A sum of money was divided among A, B and C. If A, B and Chad received Rs. 25 more, Rs. 25 more and Rs. 50 less
respectively, their shares would have been in the ratio of 6:10:9.
If B received Rs. 625 find the sum of money that was distributed.​

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?