# Weighted average - practice problems - last page

#### Number of problems found: 73

- Contestants

In the competition, it was possible to get 0-5 points. Five of the 15 best contestants have earned 5 points or 4 points (which have won 10 contestants). The number of contestants who scored 3 points was the same as those who did not get any points. Calcul - Kilogram 3024

One kilogram of raisins costs a crown and one kilogram of nuts a crown. They added 5 kg raisins and 3 kg nuts to the mixture. How much does 1 kg of mixture cost? - Class

In the 7C class are ten girls and 20 boys. Yesterday was missing 20% of girls and 50% of boys. What percentage of students missing? - Remaining 2787

Fifty students took a math test. The average number of points was 68. The top 10 students scored 100 points. What is the average number of points for the remaining 40 students? - Float boya

A 0.5-meter spherical float is a location mark for a fishing boat anchor. It floats in salt water. Find the depth to which the float sinks if the material of which the float is made weighs 8 kilograms per cubic meter and saltwater weighs 1027 kg/m³. - Inscribed circle

Write the equation of an incircle of the triangle KLM if K [2,1], L [6,4], M [6,1]. - Vinegar

What percentage of vinegar do we get if we mix 1 dm³ of eight percent vinegar with 1.5 dm³ of six percent vinegar? - Alcohol 2

Two types of alcohol, one 46%, and second 64%, give 16 liters of 54% alcohol. How many liters of each type are in the mixture? - Center of gravity

The mass points are distributed in space as specified by coordinates and weight. Find the center of gravity of the mass points system: A_{1}[1; -20; 3] m_{1}= 46 kg A_{2}[-20; 2; 9] m_{2}= 81 kg A_{3}[9; -2; -1 - Certificate

There are 31 students in a class. The mathematics score wasn't worse than 2. The average score in mathematics was 2. How many students have a score of one, and how many have a score of 2? - Water

Mix 67 l of water with a temperature of 67 °C, 17 l warm of 32 °C, and 79 l water of 87 °C. What is the temperature of the mixed water immediately after mixing? - Vinegar 2

How many percentages of vinegar solution will we get if we mix 3.5 liters of 5.8% and 5 liters of 7.6% vinegar? - Coffee

In-stock are three kinds of branded coffee prices: I. Kind. .. .. .205 Kc/kg II. Kind. .. .. .274 Kc/kg III. Kind. .. .. 168 Kc/kg Mixing these three species in the ratio 8:5:6 create a mixture. What will be the price of 100 grams of this mixture?

We apologize, but in this category are not a lot of examples.

Do you have homework that you can't solve? Ask a question, and we try to solve it.

Do you have homework that you can't solve? Ask a question, and we try to solve it.