Kak the problem is solved?: The grandfather planted in our garden a tree 54 years ago. Dad planted a tree and 30 years are later than the grandfather. I planted a tree too but it is 6 times younger which put dad put. How many years to my tree?

1) 54-30=24(g) - to a father's tree. 2) 24:6=4(g) of Answer: 4 years to mine derevu54-30=24 years are an age of a father's tree. 24/6=8 years to the story-teller's tree. Answer: 8 years.
Answer add