Equations practice problems - page 23 of 228
Number of problems found: 4558
- Anna had 2
Anna had 2x more than Betka. Cilka had 12 euros more than Anna. Together, they had 92 euros. How much did each have? - Apples from grandma
There were apples on the table. Milan took 1/3. There were 6 apples left on the table. How many apples did Milan take? - Equation - integers
Solve the equation with the unknown x from the field of natural numbers 1+6+11+16+. ... +x=970 - Blueberries - total
Peter collects a container of blueberries in 3 hours, and Jana in 2 hours. How long will it take them to fill the container together?
- Unknown fraction
2/6 + fraction = 1 - Condensation
How many liters of water must be evaporated from 400kg of a 10% soda solution to get a 16% solution? - A car acceleration
A car increased its speed from 21.6 km/h to 108 km/h on a 54 meter long track. Determine its acceleration, assuming that the motion is uniformly accelerated. - Preparing the mixture
The seller prepared 25 kg of the mixture for 264 CZK per 1 kg. The first type was 180 CZK per 1 kg and the second was 390 CZK per kg. How much of each did he need? - Received 84200
Jana received a new book. She wants to read it in 8 days. If she read 6 more pages a day, she would read the book two days earlier. How many pages does the book have?
- Kilometers 84199
Three friends, Jana, Janett, and Adriana, like to run. On Sunday they all went for a run. Jana ran twice as many kilometers as Žaneta. Adriana ran 3 kilometers more than Žaneta. How many kilometers did Adriana run if the friends ran 11 kilometers together - A bicycle
Martin sold a bicycle at a profit of 10%. Had it been sold for 75 USD more, the profit would have been 16%. Find the cost price of the bicycle. - Quarter 84177
We used one-quarter of the coal we bought, leaving us with 12 q. How much coal did we buy? - Animals - pasture
There are a total of 195 animals on the pasture - sheep, goats, calves. There are half as many sheep as goats and twice as many calves. How many sheep are there on the pasture? - Parking 84175
There are 96 cars in the parking lot. There are 24 fewer dark cars than light cars. How many light cars are there in the parking lot?
- Thinking unknown n
I am thinking of a number. If I subtract 14 from it and multiply by 6, I get the number 210. What is the number I am thinking of? - Quarters 84104 How many sixths do we need to add to two-thirds to get four quarters?
- Traveled 84103
We have traveled 2/5 of the way, which is 6/35 km. How long is the journey? - Triangles - combinations
How many different triangles with sides in whole centimeters have a perimeter of 12 cm? - Quarter 83940
Half a cake costs 7€ more than a quarter of a cake. How much does a cake cost? Thank you
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