Per mil practice problems - page 3 of 5
Direction: Solve each problem carefully and show your solution in each item.Number of problems found: 86
- Cream mixture calculation
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. - Climb of the road
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? - Base from Per Mille
Determine the base if 2.8 per mille is 50. - The contry - emigration
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 per mille. 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?
- Altitude difference
Between the resorts is 15 km, and the climb is 13 per mille. What is the height difference? - Percentage conversion Express a drop of 8 percent per mille.
- Alcohol in Bloodstream
If a person has 6 kg of blood, how much alcohol does he have in his blood if they measured 3 per mille? - Gold Ring Weight
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? - Fertilizer weight
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? - Spray - mixture
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? - Dividends
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? - Gold extraction
There are 1.2 per mille of gold in the rock. How many grams of gold will they get from 45 tons of raw material?
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