At a pet store, it costs $5 to wash a cat and $7.50 to wash a dog. Last week, the store made $60 from washing cats and dogs. If 6 cats were washed, write and solve a linear equation to find how
many dogs were washed.

4 dogs

Step-by-step explanation:

If you let x equal the number of cats washed and y equal the number of dogs washed then you can make the equation:

5x+7.5y=60

You can then put the number of cats washed into the equation:

5(6)+7.5y=60

30+7.5y=60

7.5y=30

y=4

So 4 dogs were washed

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