# Down syndrome

Down syndrome is one of the serious diseases caused by a gene mutation. Down syndrome occurs in approximately every 550-born child. Express the incidence of Down's syndrome in newborns at per mille.

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

**Showing 0 comments:**

**Be the first to comment!**

Tips to related online calculators

Our permille calculator will help you quickly calculate various typical tasks with permilles.

#### Following knowledge from mathematics are needed to solve this word math problem:

## Next similar math problems:

- Gloves

I have a box with two hundred pieces of gloves in total, split into ten parcels of twenty pieces, and I sell three parcels. What percent of the total amount I sold? - TVs

Production of television sets increased from 3,500 units to 4,200 units. Calculate the percentage of production increase. - The percentages in practice

If every tenth apple on the tree is rotten it can be expressed by percentages: 10% of the apples on the tree is rotten. Tell percent using the following information: a. in June rained 6 days b, increase worker pay 500 euros to 50 euros c, grabbed 21 fr - Equation

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

In a class are 32 pupils. Of these are 8 boys. What percentage of girls are in the class? - Apples 2

James has 13 apples. He has 30 percent more apples than Sam. How many apples has Sam? - Sales off

Goods is worth € 70 and the price of goods fell two weeks in a row by 10%. How many % decreased overall? - Percents - easy

How many percent is 432 out of 434? - Number

What number is 20 % smaller than the number 198? - MO 2016 Numerical axis

Cat's school use a special numerical axis. The distance between the numbers 1 and 2 is 1 cm, the distance between the numbers 2 and 3 is 3 cm, between the numbers 3 and 4 is 5 cm and so on, the distance between the next pair of natural numbers is always in - New refrigerator

New refrigerator sells for 1024 USD, Monday will be 25% discount. How much USD will save, and what will be the price? - Unknown number

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

148 is the total number of employees. The conference was attended by 22 employees. How much is it in percent? - Base, percents, value

Base is 344084 which is 100 %. How many percent is 384177? - Simplify 2

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

Solve the inequation: 5k - (7k - 1)≤ 2/5 . (5-k)-2 - Car crash

After a traffic accident, police measured 1.16 permille of alcohol in the driver's blood. What amount of alcohol did the driver have in the blood when about 5 kg of blood circulates in the human body?