Direct relationship + simple proportion - practice problems - last page
Number of problems found: 167
- Traffic laws
Under traffic regulations, car lights can illuminate the road up to a maximum of 30 m. To check the reach of the dipped-beam lights of their car, Peter stopped the car at 1.5 m from the wall. The dipped beam headlights are 60 cm high. At what height on th - New computer
The new computer process a certain amount of data for 6 hours. How many hours will process the same amount of data older computer with a quarter lower performance? - Motor oil
Thirty liters of oil cost 28.80 Euros. How much cost a liter? - Supermarket cashiers
When only two checkouts are open in a supermarket, people wait in line for an average of 12 minutes. How much will the average waiting time in line be reduced if they open three more ticket offices?
- 4 pipes
The tank flows out by four pipes in 6 hours 120 hl water. How much water flows out of 5 pipes of the same diameter in 14 hours? - Metallurgical enterprise
Metallurgical company daily produces 318 tons of cast iron. How many tons of coke does it burns to melt cast iron when 10 tons of cast consumes 6 tons of coke? - Radians
Convert 324° to radians. Write the result as a multiple of the number π.
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