# Boats

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

**Result****Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):**

**Showing 1 comment:**

**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

#### To solve this example are needed these knowledge from mathematics:

## Next similar examples:

- Z9-I-4

Kate thought a five-digit integer. She wrote the sum of this number and its half at the first line to the workbook. On the second line wrote a total of this number and its one fifth. On the third row she wrote a sum of this number and its one nines. Fi - Chocolate

Leslie bought 8 same chocolates for 16 Eur. How many euros will he pay for 25 chocolates? - Textbooks

After check of textbooks found that every 10-th textbook should be withdrawn. Together 58 textbooks were withdrawn. How many textbooks were in stock before withdrawn and how many after withdrawn? - Cherries

Cherries in the bowl can be divided equally among 19 or 13 or 28 children. How many is the minimum cherries in the bowl? - Banknotes

How many different ways can the cashier payout € 310 if he uses only 50 and 20 euro banknotes? Find all solutions. - Digits

How many odd four-digit numbers can we create from digits: 0, 3,5,6,7? - No. of divisors

How many different divisors has number ?? - Bookshelf and books

How many can we place 7 books in a bookshelf? - Weeks

38 weeks is equal to how many days? - Steps

How many steps you save if you go square estate for diagonal (crosswise), rather than circumvent on the two sides of its perimeter with 307 steps. - Number of songs

Write an expression for the number of songs they need for this show. Evan and Peter have a radio show that has 2 parts. They need 4 fewer than 11 songs in the first part. In the second part, they need 5 fewer than 3 times the number of songs in the first p - Expression

If A=2 B=3 evaluate expression A(B+A) and multiply it by A - Brick weight

The brick weighs 2 kg and a half bricks. How much does one brick weigh? - Diophantus

We know little about this Greek mathematician from Alexandria, except that he lived around 3rd century A.D. Thanks to an admirer of his, who described his life by means of an algebraic riddle, we know at least something about his life. Diophantus's youth l - Divisibility

Is the number 761082 exactly divisible by 9? (the result is the integer and/or remainder is zero) - Numbers

Determine the number of all positive integers less than 4183444 if each is divisible by 29, 7, 17. What is its sum? - Monkey

Monkey fell in 23 meters deep well. Every day it climbs 3 meters, at night it dropped back by 2 m. On what day it gets out from the well?