Question

The ratio of dogs to cats at the local

shelter is 2 to 5. There are 20 dogs at
the shelter. What is the total number
of cats and dogs at the shelter?
A. 28
B. 50
C.
70
D. 8
Need

Answer 1

B 50

Explanation:

Option 1) 2/5 = 20/x | 20/2 = 10 so x = 10 | 5 times x 10 =50

Option 2) dogs 2 to cats 5 | 2/5 = 20/x | .40 = 20/x | .40x = 20 | x = 50

Option 3) you can look and see that 20 is 10 times more than 2 and therefore infer that x is 10 times more than 5 which is 50