Please , I need advice on how to break this question:
When a certain tree was first planted, it was 4 feet tall, and the height of the tree increased by a constant amount each year for the next 6 years. At the end of the 6th year, the tree was 1/5 taller than it was at the end of the 4th years. By how many feet did the height of the tree increase each year?
a) 3/10
b) 9/5
c) 1/2
d) 2/3
e) 6/5
When a certain tree was first planted, it was 4 feet tall, and the height of the tree increased by a constant amount each year for the next 6 years. At the end of the 6th year, the tree was 1/5 taller than it was at the end of the 4th years. By how many feet did the height of the tree increase each year?
a) 3/10
b) 9/5
c) 1/2
d) 2/3
e) 6/5
