When `15` was subtracted from each of the seven observations the following number resulted : `-3,0,-2,4,6,1,1.` The mean of the distribution is

When 10 is subtracted from each of the given observations,the mean is reduced by 60%. If 5 is added to all the given observations,the mean will be:

When 7 is subtracted from thrice a number, the result is 14. What is the number?

If 10 is subtracted from half of a number, the result is 4.

3 is subtracted from 3/2 of a number results in 12. what is that number?

When 60 is subtracted from 60% of a number, the result is 60. The number is

If 1 is subtracted from a number and the difference is multiplied by 1/2, the result is 7.

What we have subtracted from each number of 15:19 that the final numbers will become in ratio 3:4.