Let's say that one female author enjoys writing about families. She writes about a couple with a relatively large family. The couple has a certain number of children C, grandchildren G, and great-grandchildren g. The following equations relate the numbers of each offspring:
C + g = G - 1
C + G + g = 25
C + G = g x 4
If g = 5, how many grandchildren G does the couple have?

Question

Let's say that one female author enjoys writing about families. She writes about a couple with a relatively large family. The couple has a certain number of children C, grandchildren G, and great-grandchildren g. The following equations relate the numbers of each offspring:
C + g = G - 1 
C + G + g = 25 
C + G = g x 4
If g = 5, how many grandchildren G does the couple have?

mchilds15 · Answer

Hm... Is this a multiple choice question?

anonymous · Answer

yes! the choices are 13, 7, 11, and 5

mchilds15 · Answer

If i were you, i'd use the choices one at a time and plug them into an equation. It's a long process, but you eventually get it. So lets use 13. r=5 and G=13. Plug them in and if it doesn't fit in one of the equations, try the next number.

I'm sorry, I'm techniquely not aloud to just give you the answer but i can "work you through it"

anonymous · Answer

yes lol i wasnt really wanting the answer actually i just didnt know how to do it but im gonna try it now!!

mchilds15 · Answer

*g=5 and G=13
Stupid typo
Let me know if you get stuck!