Adding + multiplication - examples
The root of the equation ? is: ?
- Boys and girls
In the class are 15 boys and 3-times less girls. How many girls are in the classroom? How many all children are in the class?
- School trip
8.D class went on a trip. Train ticket cost 11 euros, cable car ticket 6 euro. How many euros must pay classroom teacher for 23 students?
Cyclist goes on a trip. First, drove 3 hours average speed 42 kilometers per hour, then slowed down and another 2 hours driving a speed 39 kilometers per hour. How many total kilometers cycling?
Write time in minutes rounded to one decimal place: 1 h 42 m 22 s.
- Decimal expansion
Calculate: 5 . 100 + 0 . 1 + 0 . 100000 + 5 . 10 + 8 . 1000 + 8 . 10000 =
The theater has in each row with 11 seats. Ticket to the first 8 rows is for 198 KČ. In next rows is for 84 KČ. The theater was completely sold out. Revenue was 34980 KČ. How many rows are in the theater?
Joseph had one pair of sandals, one pair of hiking shoes, 1 pair of botas, one pair of church shoes. How many pieces of shoes had together?
Grower harvested 190 kg of apples. Pears harvested 10 times less. a) How many kg pears harvested? b) How many apples and pears harvested? c) How many kg harvested pears less than apples?
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
- Bus driver
The bus driver rides 191 km in the morning, afternoon rides 22 km more. How many kilometers traveled in 5 days if he rides on the same line?
Dad has two years more than mom. Mom has 5 times more than Katy. Katy has 2 times less than Jan. Jan is 10 years old. How old is everyone in the family? How old are all together?
One meter of the textile were discounted by 2.4 USD. Now 6 m of textile cost as before 3 m. Calculate the old and new price of 1 m of the textile.
Mix 61 l of water with temperature of 48 °C, 58 l warm of 57 °C and 47 l water of 39 °C. What is the temperature of the mixed water immediately after mixing?
- Juice box
In the box is 0.3 liters of juice. How many liters of juice contains 6 these boxes?
- Word problem
349 students were on holiday in Hungary. 153 bought pizza, chips 18 pupils, 31 pupils bought soda, butter 28 pupils, 12 pupils fruits, vegetables 24 students. How much pay for all the food, if every meal cost 3.5 euros?
- Five girls
Five girls traveling by bus. Each holds in each hand two baskets. In each basket are four cats. Each cat has three kittens. Two girls exits bus. How many legs are in the bus?
The monthly fee for the phone is 12 USD and for phone unit 0.07 USD. How much family pay phone in the first quarter Q1, if on January 1 had on the counter 97721 units and on April 1 98115 units.
In stock are three kinds of branded coffee prices: I. kind......5.3 USD/kg II. kind......11.6 USD/kg III. kind.....5.8 USD/kg Mixing these three species in the ratio 2:8:3 create a mixture. What will be the price of 800 grams of this mixture?
Farmers loaded into a truck of fruit and vegetables intended for the store. 10 boxes of 5 kg pears, 8 boxes of 6 kg plums, 7 boxes 9 kg of carrots and 10 bags of 50 kg of potatoes. How many kilograms of fruit and vegetables loaded in total? How many kg cou