Grade - math word problems - page 406 of 947

Number of problems found: 18923

Biking
Dhea is biking for 20 mins every day before going to school. She looked at her watch and had already completed even 10 hours of biking. How many days in total did she achieve?
Saleswoman 37041
The saleswoman mixed two types of candies into the cone. Half a kilo of fruit at 90 CZK per kilogram and 400 g of nut at 117 CZK per kilogram. How many crowns will 1 kg of this mixture cost?
The bath
Dad poured 50 liters of water at 60°C into the tub. How much cold water must he add at 10°C to obtain a bath that has a temperature of 40°C?
Percentage 37021
What percentage of vinegar do we get by mixing 2 liters of 8% vinegar with 3 liters of 4% vinegar?
Laboratory 37011
How much distilled water does a laboratory assistant have to add to 500 ml of 30 percent hydrogen peroxide to prepare a 3% gargle?
Temperature 37001
The mother prepared half a liter of cold water for the children to drink. It mixed water at 20 °C with 400 ml of cold water at 5 °C. What was the temperature of the prepared drink?
Temperature 36991
Honza filled 2 liters of hot water at a temperature of 90 °C from a heater into a five-liter container. What temperature must the water that the container fills have a mixture temperature of 42 °C?
Mushroom risotto
630g of rice is needed to prepare mushroom risotto for four people. How many boxes of 500g rice do you have to buy to prepare risotto for 17 people?
The fish
The fish vendor sells 1/7 kilos of bangus (milkfish) for 66.2 euro. If you will buy 9 2/8 kilos of bangus, how much will it cost?
Math homework
It took Jose two-thirds of an hour to complete his math homework on Monday, three-fourths of an hour on Tuesday, and two-fifths of an hour on Wednesday. How many hours did it take Jose to complete his homework altogether?
Pilgrimage 36951
On the Matějska Pilgrimage, they had 40 prizes of two kinds in the wheel of fortune with a total value of 500 CZK. Four pieces of the first were worth CZK 60, and seven pieces of the second kind were worth CZK 80. Determine the number of pieces of each ty
Constant 36941
The truck travels at a constant speed of 70 km/h. The first time it goes empty, and the second time it comes with a load. In which case is its kinetic energy smaller?
Determine 36931
After a 6% discount, the family paid CZK 9,400 for the TV. Determine the price of the TV before the discount.
Wool ball
Mrs. Black used 1.2 kg of wool to knit the sweater. The shop sold a wool ball weighing 100 grams for 39 CZK. How much money would she save if she knitted the sweater herself than if she bought it for CZK 720 in the shop? (CZK is Czech currency = Kč)
Possibilities 36911
There are seven fountains in the city. Only five always work. How many possibilities do five fountains work at the same time?
Arithmetic 36901
The examiner has prepared 20 examples from arithmetic. He wants to choose seven samples for the paper. The order of the examples does not matter. How many different papers can he compile?
Different 36891
We put seven different things out of fifteen various goods in the shopping cart. How many cart content options occur?
Students 36881
As a reward, the trip's land is ten students from a class of 25 students. How many options are there?
Books - triplets
I will choose three from ten different books. How many different triplets can I choose?
Common difference
The 4th term of an arithmetic progression is 6. Find the common difference if the sum of the 8th and 9th terms is -72.

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