# Boats

Three-quarters of boats are white, 1/7 are blue and 9 are red. How many boats do we have?

### Correct answer:

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**Dr Math**

An example in original writing: "three-quarters of boats are white, 4/7 are blue and 9 are red. How many boats do we have? " have no solution because of 3/4 + 4/7 = 37/28 > 1

And equation: 3/4n + 4/7n + 9 = n has negative solution n=-28

https://www.hackmath.net/en/calculator/fraction?input=3%2F4+%2B+4%2F7&submit=Calculate

And equation: 3/4n + 4/7n + 9 = n has negative solution n=-28

https://www.hackmath.net/en/calculator/fraction?input=3%2F4+%2B+4%2F7&submit=Calculate

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