contestada

4. One-half of Heather's age two years from now plus one-third of her age three years ago is twenty years. How old is she now?

Respuesta :

x = the age of Heather

One half of Heather's age two years from now plus one-third of her age three years ago is twenty years

(x + 2)/2 + (x - 3)/3 = 20

by solving the equation we find

x = 24 years