More math homework?

Moe, Linda and Carlos collected 84 stamps altogether. Linda collected 4 times more stamps than more. Carlos collected 7 times more stamps than more. If veronica collected half as many stamps as Linda. How many stamps did veronica collect?
Answers

L. E. Gant

m+l+ c = 84 l =4m c = 7m ==> 12m = 84 ==> m = 7 l = 28 v = l/2 = 14