I can't figure this damn problem out and I know the solution is easy.
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 year. By how many feet did the height of the tree increase each year?
a) 3/10
b) 2/5
c) 1/2
d) 2/3
e) 6/5
The answer is D. Please provide the solution. Thanks.
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 year. By how many feet did the height of the tree increase each year?
a) 3/10
b) 2/5
c) 1/2
d) 2/3
e) 6/5
The answer is D. Please provide the solution. Thanks.
