Question

A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number?

Answer 1

Step-by-step explanation:

let the number be x

x-28=1/3x

28=1/3x+x

28=1x+3x/3

28×3=4x

84=4x

84/4=x

21=x

now the 50% of the number will be

21×50/100

21×0.5

=10.5