Equations practice problems - page 80 of 210
An equation is a statement that asserts the equality of two expressions, which are connected by the equals sign =. Solving an equation containing variables consists of determining which values of the variables make the equality true. The variables for which the equation has to be solved are also called unknowns, and the values of the unknowns that satisfy the equality are called solutions of the equation.Number of problems found: 4195
- Participants 81331
Two hundred fifty-two participants signed up for the classical ballroom dance course. There were 2 times more girls than boys. How many girls and how many boys applied? - Forty-four 81295
Three hundred forty-four women are employed at the GUMÁR plant. The remaining 57% of employees are men. How many employees does the entire GUMÁR plant have? - Painters 81101
Four painters painted the house in 14 days. How long will it take if 2 more come to help after 5 days? - Resistance 80606
How much resistance must be connected in parallel with the 1-ohm resistor to make the total resistance 0.6 ohm? - Total 80458
A tower of red cubes 13/72, blue 25/48, green 516. How many cubes are there in total? - Individual 70944
The merchant ordered 62 boxes of cucumbers from a vegetable grower. He wants to take 38 more boxes than small ones. How many individual boxes of cucumbers did the merchant order? - Assignment 68484
Write the assignment in a fraction. Fill in the number in the box so that the equality applies: (Write the result as a fraction in the base form.) 3 · ___ + 1/4 = 5/8 - Extraordinary 67044
The employee received an extraordinary reward of 320 euros, 8% of his monthly salary in September. What is his monthly salary? - Determine 65384
We divide the number 210 into two summands so that one summand is 30 less than three times the other. Determine the larger of the summands. - Collected 64494
A group of scouts works in the woods. A third of them cleaned the stream. A quarter collected timber, and the remaining ten planted trees. How many scouts were on the brigade? - Tournament 61544
In an amateur chess tournament, everyone plays with everyone. There are a total of 171 chess games on the program. How many players take part in the match? - Attended 47663
Three times more boys than girls attended the student meeting. When 8 boys and 8 girls left early, five times more boys than girls stayed at the meeting. How many boys and how many girls were at the game? - Pilgrimage 41951
Pavel spent CZK 315 on the pilgrimage in three days, doubling his spending every following day. How much CZK did he pay on the first day? - Five-twelfths 39871
Five-twelfths of the students in the class learn English, a third learn German, a sixth learn French, and two students learn Russian. How many students are in the class, and how many languages are they learning? - Students 39121
N boys go to class. There are 13 more girls. Today 4 girls and five boys are missing. How many students in this class are in school today? - Solution 38451
Prepare 2 liters (kg) of a 3% salt solution in water. - Caramels 24131
Anička and Jana shared 21 caramels, while Jana had 40% of what Anička received. How many caramels did she get? - Magnitude 23271
In an isosceles triangle, the angle at the primary vertex is 20 ° smaller than twice the magnitude of the angle at the base. What are the interior angles of a triangle? - Calculated 23231
There are 80 screws in the box with a total weight of 1.24 kg. The weight of one screw weighs 400g. Screw weight calculated in grams - Magnification 21383
When we increased the circle's radius by 2 cm, its area increased by 40π cm². Determine the radius of the circle before magnification.
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