Answer:
The dog is 20 inches tall now.
Explanation:
Given that:
Height of dog when it was a puppy =
inches
Height of dos now =
than previous height
It means that we will add this height in the height of dog when it was a puppy.
Height of dog now =
![5(1)/(2)+14(1)/(2)](https://img.qammunity.org/2022/formulas/mathematics/high-school/mzalggl45603912e09pc70r5s8cvrq0tp0.png)
Height of dog =
![(11)/(2)+(29)/(2)=(11+29)/(2)=(40)/(2)](https://img.qammunity.org/2022/formulas/mathematics/high-school/vu6wdwmn0t2l0j87919wbzsukiq302vnx9.png)
Height of dog = 20 inches
Hence,
The dog is 20 inches tall now.