SOLUTION: When the Jenkins family moved into their home 10 years ago, there were two small trees in their backyard. Both trees have since been growing at a constant rate. For the first tree,

Algebra ->  Linear-equations -> SOLUTION: When the Jenkins family moved into their home 10 years ago, there were two small trees in their backyard. Both trees have since been growing at a constant rate. For the first tree,      Log On


   

Question 1070294: When the Jenkins family moved into their home 10 years ago, there were two small trees in their backyard. Both trees have since been growing at a constant rate. For the first tree, 6 years after the Jenkins moved in, it was 11 feet tall, and 8 years after they moved in, it was 13 feet tall. For the second tree, 7 years after the Jenkins moved in, it was 15 feet tall, and 9 years after they moved in, it was 19 feet tall. how many years after the Jenkins moved in that the first tree and the second tree were the same height, and give the height
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
First Tree:
(6,11) and (8,13)

Second Tree:
(7,15) and (9,19)

Find equations for the lines of the two sets of points. The question asks for the intersection of the two lines.