Puppies : Adults = 1 : 4
Total parts = 1 + 4 = 5
5 parts = 100 dogs
1 part = 100 ÷ 5 = 20 dogs
Answer: 20 puppies
Answer:

Step-by-step explanation:
In this problem, it is given that,
The stopping distance, D, in feet of a car is directly proportional to the square of it's speed, V.
We need to write the direct variation equation for the scenario above. It can be given by :

To remove the constant of proportionality, we put k.

k is any constant
Hence, this is the required solution.
Answer:
Should be 3
Step-by-step explanation:
To add the fractions find the LCD then combine