1st week of jan,there r 49 dogs and 28 cats in an animal shelter. Throughout the month,the ratio of dogs to cats remain the same.The last week of jan,there are 20 cats in the shelter.How many dogs are there?

Number of dogs in the shelter in the last week is 35

Step-by-step explanation:

Step 1:

Given in the first week of Jan, there are 49 dogs and 28 cats, find the ratio between them.

Ratio = 49/28 = 7/4

Step 2:

Since the ratio remains constant, use it to find the number of dogs in the shelter when cats = 20 in the last week of Jan.

Number of dogs/20 = 7/4

∴ Number of dogs = 20 × 7/4 = 35

75 in2

Step-by-step explanation: Multiply 5 x 5 x 3 because the 3 is the small side and the 5 is both the long sides