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Wilson has a number in mind. If he takes away one-third of the number from it the
result is 10. Find the number.


Sagot :

hi

if he takes 1/3 , then remains 2/3

then 2/3 X = 10

             X =  10 / 2/3

            X =  10 * 3/2

              X = 30/2

              X = 15

let's check :  

1/3 of  15 =   15/3 = 5

15 -5 = 10

all macth, so answer is correct