Per mil practice problems - page 3 of 5
Direction: Solve each problem carefully and show your solution in each item.Number of problems found: 87
- Drive to NJ
Ed drove to New Jersey at 30mph. He drove back home in 3 hours at 50 mph. How many hours did it take Ed to drive to New Jersey? - Necessary 8380
With cream with a fat content of 36% and milk with a fat content of 3.85%, it is necessary to make 65 liters of whipped cream with a fat content of 33%. How many liters of each of the raw materials do we need? - The railway
The railway line has a gradient of 12 per mille. How many meters will it ascend to a horizontal distance of 4 km? - Down syndrome
Down syndrome is one of the serious diseases caused by a gene mutation. Down syndrome occurs in approximately every 550-born child. Express the incidence of Down's syndrome in newborns at per mille.
- Cable car
Find the elevation difference of the cable car when it rises by 67 per mille, and the rope length is 930 m. - Round-trip
A woman works at a law firm in city A, about 50 miles from city B. She must go to the law library in city B to get a document. Find how long it takes her to drive round-trip if she averages 40 mph. - Minutes 7700
At what angle does the road rise if the climb is 8%? They rounded up for tens of minutes. - Car crash
After a traffic accident, police measured 1.16 permille of alcohol in the driver's blood. About 5 kg of blood circulates in the human body. What amount of alcohol did the driver have in the blood? - Determine 7468
Determine the base if 2.8 per mille is 50.
- Immigrated 7306
How many people lived in the country at the end of the year if there were 1,048,000 at the beginning? During the year, 11,730 children were born in the country, 1,350 people emigrated from the country, and 1,620 people returned or immigrated to the countr - Two municipalities The horizontal distance between municipalities is 39 km. The average sinking is 7 permille. What is the difference in height between these municipalities?
- Insect spraying
In 600 ml of spraying is 5 ml of an active ingredient. How much is it per mile? - Substance solution During spraying, there are 4 per mille of active substance per 6 l of water. How many ml of active substance do we add to the spray?
- Difference 6029
Between the resorts is 15km, and the climb is 13 permille. What is the height difference?
- Express 6027 Express a drop of 8 percent per mille.
- Measured 6023
If a person has 6 kg of blood, how much alcohol does he have in his blood if they measured 3 per mille? - 14-carat 5956
14-carat gold. ... .585 per mille. In one kg. ... .585g gold. If the weight of pure gold in a ring is 7.2g, how much does the ring weigh? - Five-kilogram 4112
Fertilizer for gardeners contains the following trace elements: bor. ... ..minimum 0.3promile weight. What is the smallest weight of each trace element in a five-kilogram fertilizer package? - Preparation 3992
4 per mille of active ingredient is needed per 6 liters of water to prepare sprays. How many milliliters of active substance do we add to the sprays?
The three friends divided the win by the invested money. Karlos got three-eighths, John 320 permille, and the rest got Martin. Who got the most, and which got the least?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
