Kojo wants to be an author. To improve his writing skills, every day after school he writes 3 pages of a story he is
working on. Kojo has been writing his story for d days. He has a total of 81 pages completed.
Write an equation to describe this situation.​

Respuesta :

If the number of days is d and he writes 3 pages for every d, then we can say

3d = 81