Can you solve this rather long puzzle for a STEEM prize?

in #puzzle7 years ago (edited)

There are two families claiming to have the highest combined aged in a town. For example, a family with two 20 year olds in it has a combined age of 40.

Family A has 2 grandmothers and grandfarthers, each being 4 years older than the next. The grandparents have 6 children between them. Each of the children being born exactly two years apart. These children then have 2 children each, with every one born 3 years apart from one another. The youngest member recently turned 2. There is no age gap between the oldest grandchild and the grandparents youngest child. The youngest grandparent is half the age of the oldest grandchild older than the oldest parent.

Family B has two great grandparents with a combined age of 174. They have 2 children each with an average age half that of there parents average age. These grandparents then have 3 children each with an average age 1/3 of that of their grandparents average age. These parents have 2 children each at an avenge age of half of theirs. Only half of these children have children themselves with an average age of 5.

Only direct descendants count as part of this puzzle so no need to try to include the partners of the family members. What family has the highest combined age?

I have mixed it up a bit and there is a prize of 0.015 STEEM for the winner and one 0.005 STEEM prize for a good explanation that might or might not go to the winner. The winner is the first correct answer however you must explain yourself. I hope I haven't overdone it @branbello. My apologies if the words are a bit confusing, couldn't think of a a less confusing way to write it.

Rewards will be paid after 7 days.

Please optionally upvote if you like this post or give an answer, have fun!

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Family B has the higer combined age with 1104 yeas. Family A has 762 years.

You have two times grandparents in family B. And when there is the word "each" I don't know if it refers to parents or children.

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Great puzzle, unfortunately, I don't have time to sit down and figure out of at the moment!

This post has received a 0.60 % upvote from @drotto thanks to: @pandasquad.

This puzzle turned out more involved that I planned. My A solutions are below:

IMG_20180222_193840654.jpg
IMG_20180222_193850765.jpg

And my B solutions:

IMG_20180222_193901165.jpg:
IMG_20180222_193907656.jpg
IMG_20180222_193913582.jpg

Sorry for the messy writing I was going to type it out but I have been busy. No one got the same answer as me so I will give the main prize to @nerdig as he identified the oldest family first. @branbello will receive the explanation prize.

If anyone is still confused reply here and I will do my best to explain my workings.