Question

Two-thirds of a number is nineteen.

Answer 1

The number is 28.5

Explanation:

Let the number be x

Two - third of the number is 19 means

`(2)/(3) \ of \ x = 19`

Solve for x

`(2)/(3) * x = 19\\\\2 * x = 19 * 3\\\\x = (19 * 3)/(2) = 28.5`

Answer 2

28.5

Explanation:

X*2/3=19, X=19/(2/3)=57/2=28.5