Simple proportion - math word problems - page 12 of 16
Number of problems found: 311
- Harvested 6269
Five workers harvested fruit in 150 hours. How many temporary workers have to work to harvest fruit in 250 hours?
- Calculate 6268
Calculate the unknown velocity x if: 24 km/h. ... . .. .20min x km/h. ... . .. .12min
- Wood harvesting
The harvested wood is bundled from the forest to a sawmill. The driver makes the journey four times a day, and the work takes him eight days. How often would he have to go daily to finish the job two days earlier?
- Motorcyclist 6145
The cyclist covered a certain distance in 6 hours and 15 minutes. How long will it take for a motorcyclist to travel five times more if he travels three times faster?
- Strawberries 6125
Friends Marika and Katka decided to prepare strawberry jam together according to the recipe. They needed 50g of sugar for 0.5kg of fruit. How many kilograms of sugar must the friends prepare if they make jam from 2.3 kg of strawberries?
- Sixty
Sixty percent of one-fifteen of the total is equal to thirty. What are two percent of the total?
- Lecturers 6099
Three lecturers will create 75 tasks in two and a half days. In how many days will it take at least five lecturers to create enough exercises for the exercise book, which should contain 300 exercises? (we assume that all tutors are equally efficient and w
- Traveling 6067
A car traveling at 75 km/h will drive from place A to place B in 3/4 hours. How long does it take for a cyclist to get there at a speed of 25 km/h?
- Electric energy
There are 875 identical light bulbs in the sports hall lighting for 2 hours. How long does the same amount of electricity consume 100 such bulbs?
- Seedlings 6051
A forest nursery needs an area of 1.25 square meters per pine seedling. How many pine seedlings are planted in an area of 9 acres?
- Consumption 6050
The car has an average gasoline consumption of 6.5 liters per 100 kilometers. How many kilometers will a full tank with a volume of 52 liters be enough at average consumption?
- One-third 6009
In the forest nursery, children planted new trees for 3 days. They planted a total of 84. On the second day, they planted 75% of what they did on the third day. On the first day, they planted exactly one-third of all planted trees. How many trees did the
- Capacity 5999
The tank is filled in 1 hour and 12 minutes with a pump with a capacity of 25 l/s. How long does filling the tank with a 20 l / s pump take?
- Trapezoid - intersection of diagonals
In the ABCD trapezoid is AB = 8 cm long, trapezium height 6 cm, and distance of diagonals intersection from AB is 4 cm. Calculate the trapezoid area.
- Rabbits 5980
Twenty rabbits have hay for 60 days. For how many days will five rabbits have them?
- Five pumps
The water tank is filled with two pumps in 48 minutes. How long would it take to fill it with five same pumps?
- Blueberries 5961
One and a half kg of blueberries costs 90 CZK. How many crowns does 2 kg of blueberries cost?
- R1+R2 in parallel
The resistance ratio of the first and second resistors is 3:1, and the current flowing through the first resistor is 300 mA. What current flows through the second resistor (resistors connected in parallel)?
- Anywhere 5880
The bus runs 6 km in 9 minutes. How many minutes will the bus go to a place 42 km away if it doesn't stop along the way?
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