Equation + direct relationship - practice problems
Number of problems found: 106
- The proportion
Solve for N in this proportion: 6/5=30/N? - Linear independence
Determine if vectors u=(-4; -10) and v=(-2; -7) are linear dependents. - Specify 5462
P (x) = 15x- (5x + 10,000) specify x so that P (x) = 0 - Seventeen 4742
Seventeen workers produce more than 15 workers by 46 products. How many products will 20 workers make? - Angles ratio
The internal angles of a triangle are in ratio 1:4:5. What kind of triangle is it? (solve interior angles and write down and discuss) - Cow
104 cow consumes 6968 kg hay per day. How many kg of hay consume one cow in one day? - Copy typist
Typist for 12 hours, rewritten 15% of the manuscript. After how many hours will he do 35% of the manuscript? - Function
For linear function f(x) = ax + b is f(10)=192; f(16)=170. Calculate m, if f(m) = 2008. - Calculate 6240
The ratio of the two natural numbers is 2: 3. The smaller number in this pair is 12. Calculate the larger A number from this pair. - A bucket
A bucket has 4 liters of water when it is 2/5 full. How much can it hold? - Expression
If it is true that (l + 15 w)/(w) = 6, then the value of the expression (13 l)/(12 w) is: - Jan
Jan is 13 years and Peter 21 years old. For how many years will their age be in the ratio of 7:9? - Chocolate
Anthony bought 9 same chocolates for 18 Eur. How many euros will he pay for 19 chocolates? - Expenditure 8083
One paid 500 CZK. Three paid in a ratio of 3:4:5. The smallest expenditure was CZK 360. How much was the total expenditure? - Calculate 7580
The isosceles triangle XYZ has a base of z = 10 cm. The angle to the base is the sum of the angles at the base. Calculate the area of the triangle XYZ. - The orchard
Four temporary workers harvested the orchard in 9 days. How many temporary workers do we need for six days? - Saving
Gejza save € 1470 to buy a car. Yet it lacks save 45% of the car price. How much is the car? - A stock
A stock of food is enough to feed 50 people for 14 days. How many days will the food last if 20 more people are added? - Temporary 67594
Two temporary workers comb apples from 15 apple trees in 5 hours and 20 minutes. After two hours, three other temporary workers came to help them. How long did it take to comb apples from these 15 trees? - Circumference 7615
The sides of the rectangle are in a ratio of 3:5. Its circumference is 48 cm. Calculate the length of its diagonal.
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