Direct relationship + multiplication - math problems
Number of problems found: 23
Calculate the equivalent annual salary to an hourly wage of $ 19. Assume a 42-hour workweek.
Leslie bought 8 same chocolates for 16 Eur. How many euros will he pay for 25 chocolates?
How many chicks were hatched from 4500 eggs, when an average of 100 eggs hatched 87 chicks?
- Tennis balls
Can of tennis balls contains 3 balls per can and cost $7 how much will it cost for 36 tennis balls?
Calculate how many average minutes a year is a webserver is unavailable, the availability is 99.99%.
- Temporary workers
Three temporary workers work in the warehouse and unload the goods in 9 hours. In what time would five temporary workers unload the same products?
- A family
A family of four pays for garbage collection per year 1800 Kč. How many crowns a year the waste company get from the house where lives 93 people?
Michal, Peter, John and Lenka got together 2,400 euros. They share an amount in ratio 2:6:4:3. How many got each of them?
2 chickens give 2 eggs in 2 days. How many eggs can give 8 chickens for 8 days?
The gross wage was 1323 USD including 25% bonus. How many USD were bonuses?
1 t of sea water contains 25 kg of salt. How many tons of seawater must be evaporated to obtain 2 q of salt?
- In the bakery
In 2.25 hours, 24 pieces of bread are baked in the bakery. How many breads are baked in the bakery in 6 hours and 45 minutes?
- Negative percentage
In 2006, the company had a loss of 11100 Euros. Two years later he was already in profit 50000 Eur. Calculate what percentage of the company increased profits in this two years.
In the human body, the blood is about 7.3% body weight. How many kilograms of blood are in the human body with weight 109 kg?
800 pennies have the same value as 100 ducats. 100 pennies have the same value as 250 tolars. How many ducats has the same value as 100 tolars?
- Painter 3
Dad want to paint wall high 250 cm wide and 230 cm with wallpaper. How many meters must buy wallpaper if wallpaper width is 60 cm?
From one ton of coal is produced 772 kg of coke for iron production. How many wagons of coal by 13 tonnes per day is needed for the blast furnace, which has a daily consumption of 1020 tons of coke?
- Math test
In class 6.A are 26 students and the teacher had managed to give tests to 13 students. 13 testes he gave in 6.5 min. How many pupils still haven't test? How long will it take techer to give tests to 43 students?
Calculate fixed annual personnel costs of operating monorail line 118 km long if every 5 km is a station, which serves three people - one dispatcher and two switchmen in 4-shift operation. Consider the average salary of the employee 885 €.
In-stock are three kinds of branded coffee prices: I. Kind. .. .. .205 Kc/kg II. Kind. .. .. .274 Kc/kg III. Kind. .. .. 168 Kc/kg Mixing these three species in the ratio 8:5:6 create a mixture. What will be the price of 100 grams of this mixture?