# Sum and rounding

I know two numbers whose sum is 20. When they each round and then added together I get the 30. What are this numbers?

**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!**

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

## Next similar math problems:

- To thousands

Round to thousands following numbers: - Mystery number

A mystery number is between 800 and 920. No digits are the same. The difference of the numbers 5. What is the mystery number? - Unknown number 2

I think the number. When he reduces it four times, I'll get 11. What number am I thinking? - Cakes

On the table was 56 cakes. When Peter went home, leaving them eight times less. How many cakes left? - Subtraction

How many times you can subtract the number 4 from the number 64? - Book

Louise read from their favorite book for three days 18 pages. Every day read the same number of pages. How many pages she read every day? - Snacks

The school attends 344 pupils. Half of them take snacks. 13 pupils who took snacks did not attend school. How many snacks left? - Mom and dad

Mom wants talk with dad 2.2 hours. But dad wants of 2 times more hours than mom ... How many hours wants dad talk with mom? ... - Parking field

There were nine cars in the parking field. The motorcycles were three times less. How many motorcycles are here and how many wheels are in the parking field? - Goat, cabbage and wolf

A man once had to travel with a wolf, a goat and a cabbage. He had to take good care of them, since the wolf would like to taste a.piece of goat if he would get the chance, while the goat appeared to long for a tasty cabbage. After some traveling, he sudde - Carpenter

You want to cut long board into smaller pieces. Carpenter said that one cut of the board into two pieces will cost you 70 cents. But you need to cut the board into 9 parts. How much you pay? - 3 goods

Ms. Beránková bought in the shop 3 goods. Total paid for the purchase was 248 CZK. The first thing was 112 CZK and second 101 CZK. How much was the third thing? - Curtains

For room equipment bought Hanak 50 m curtains. On the dining room needed 90 m and 90 m to hallways of curtains. How many meters of curtains bought totally? - Tulips and daffodils

Farm cultivated tulips and 211 units on 50 units more daffodils. How many spring flowers grown together? - Computer

A line of print on a computer contains 64 characters (letters, spacers or other chars). Find how many characters there are in 7 lines. - Fridays

Friday 13th is in 4 days. What day is today and what day it is? - Cars

Johnny has 370 cars. Peter twice less. How many cars have Peter?