Sterling plants a tree that is 4 3/4 feet tall.One year later,the tree is 5 2/5 feet tall.How many feet did the tree grow?
5 2/5 - 4 3/4
= 27/5 − 19/4
= ((27 × 4) − (19 × 5)) / (5 × 4)
= (108 - 95) / 20
= 13/20
= 13/20
Answer:
The tree grew 0.65 feet.
Step-by-step explanation:
We have,
Height of tree when planted = \(4\frac{3}{4}\) = \(\frac{19}{4}\)
Height of tree one year later = \(5\frac{2}{5}\) = \(\frac{27}{5}\)
So, we get that the difference in the height of the tree in a year is,
Difference = \(\frac{27}{5}-\frac{19}{4}\)
i.e. Difference = \(\frac{27\times 4-19\times 5}{20}\)
i.e. Difference = \(\frac{108-95}{20}\)
i.e. Difference = \(\frac{13}{20}\) = 0.65 feet
Hence, the tree grew 0.65 feet.