There are 30 legs in my backyard, but I'm counting dogs and kids. How many kids and dogs are in my backyard?

Question

jdoe0001 · Answer

30 legs in the backyard? heheh
do they have a body attached to them? or are they just wondering off?

mathmate · Answer

First we know that
4D+2K=30

How many living beings of the animal kingdom are in the backyard?

jdoe0001 · Answer

wandering rather heheh

mathmate · Answer

@jdoe0001 your question is cute, and out of the box!   :)

jdoe0001 · Answer

the wording is just quite irregular

mathmate · Answer

indeed!

anonymous · Answer

Refer to the attached plot.
The x axis is the number of dog (s).
The y axis is the number of kids.
For example, 3 dogs and 9 kids are required to yield 30 legs.