# 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:

- Fractions

Three-quarters of an unknown number are 4/5. What is 5/6 of this unknown number? - Cleaning windows

Cleaning company has to wash all the windows of the school. The first day washes one-sixth of the windows of the school, the next day three more windows than the first day and the remaining 18 windows washes on the third day. Calculate how many windows ha - UN 1

If we add to an unknown number his quarter, we get 210. Identify unknown number. - Boys and girls

There are 28 girls in the hall. 5/7 of all children are boys. How many children and how many boys are there? - Pears

There were pears in the basket. I took them two fifths and left them in a basket of six. How many pears I took? - Homework

In the crate are 18 plums, 27 apricot and 36 nuts. How many pieces of fruit left in the crate when Peter took 8 ninth: 1. nuts 2. apricots 3. fruit 4. drupe - Equation

Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number. - Equation with x

Solve the following equation: 2x- (8x + 1) - (x + 2) / 5 = 9 - Simple equation

Solve for x: 3(x + 2) = x - 18 - Determine the number

Determine the number x that ?. - Strange x

For what x is true ?? - Unknown number

Identify unknown number which 1/5 is 40 greater than one tenth of that number. - Given

Given 2x =0.125 find the value of x - Equation with fractions

Solve equation: ? It is equation with fractions. - Unknown number

I think the number - its sixth is 3 smaller than its third. - Eqn

Solve equation with fractions: 2x/3-50=40+x/4 - Simplify 2

Simplify expression: 5ab-7+3ba-9