Question

A tree measured 18 1/2 feet tall. over the next 7 1/2 years grew to be 63 1/2 feet tall.During the 7 1/2 years,what was the average yearly growth rate of tree?
Pls help me

Answer 1

Answer:

It would be 6.5

Step-by-step explanation:

Answer 2

Answer:

6.5

Step-by-step explanation:

First subtract how tall it was 7 1/2 years ago from how tall it is now.

63 1/2 - 18 1/2 =

63 1/2 -  18 1/2 =  45

So in the 7 1/2 years the tree grew 45 feet. To get the average yearly growth for the 7 1/2 year period you have to divide the 45 feet by 7 1/2 years. = 6

It makes it much easier if you change the fractions to decimals.

63 1/2 = 63.5

7 1/2 = 7.5

63.5  ÷  7.5  = 8.46(repeated)7 feet per year so 6.500 rounded