Answer:
c) -2/5=0.4 d) -5/2=0.4 are incorrect
Answer:
Step-by-step explanation:
If the ratio of dogs to cats is 49:28, as an actual ratio (fraction), this is

We can reduce that to make the numbers smaller without changing the ratio. reducing gives us

We will use that ratio now to set up a proportion that involves a given number of cats and an unknown number of dogs. Keeping dogs on top and cats on bottom,

Cross multiply to get
4x = 140 so
x = 35
According to the ratio of dogs to cats, if there are 20 cats, there will be 35 dogs.
77.6
Add everything together to get 38.8 and multiply by 2
Sorry what it this the question