In Joey's neighborhood the ratio of families with dogs to families with cats is 5 to 2. There are 15 more families with dogs tha n families with cats. How many families have cats, and how many families have dogs?
1 answer:
Answer:
10 families have cats
25 families have dogs
Step-by-step explanation:
The difference of ratio units is 5-2 = 3. The difference in pet counts is 15, so we can see that each ratio unit stands for 15/3 = 5 pets. Then ...
dogs : cats = 5 : 2 = (5·5) : (2·5) = 25 : 10
There are 10 families with cats and 25 families with dogs.
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