Equations practice problems - page 70 of 242
Number of problems found: 4827
- Door painting time
Peter and Milan painted the garage door in five hours. Peter would paint the door himself in 10 hours. In how many hours would Milan paint the door himself? - The ratio 7
The ratio of the sides of two squares is 4:5. If the sum of their areas is 180 cm². Find the sides of the two squares. - Star equation
If 5/21 + 14/21 + ☆ = 1, then what is the value of ☆? - The morning
The temperature rose 9 degrees from 10:00 AM to noon. By 3:00 PM, the temperature had doubled. From 3:00 PM to 6:00 PM, the temperature rose 4 degrees to 96 degrees. What was the temperature at 10:00 AM that morning? - Coin banknote box
Matej had 2 euro coins and 5 euro banknotes in his box. There were a total of 60 of them worth 171 euros. How much money did Matej have in the treasury? - The ratio 6
The ratio of cats to dogs is 2 to 5. If there are 35 total animals in the shelter, how many dogs are there? - Find two 2
Find two decimals between 4.56 and 6.927 so that the difference between any two consecutive decimals is the same. - Some number There is some number that if you subtract six from it first and then divide that total by three, you get 5. What is the number?
- Convex angle
There is a circle k (S; r), and a point A, which lies on this circle. There is also a point B on the circumference, for which it is true that in one direction, it is five times further from point A than in the opposite direction (around the circumference - Circle segment
A quarter circle with a radius of 4 has the same area as a circle segment with a radius of 3. What is the magnitude of the center angle of the circle segment? - Two expressions
When x = 3 and y = 5, how much does the value of 3x² – 2y exceed the value of 2x² – 3y? - Excavation digging days
The workers dug one-quarter of the excavation on the first day, half the rest on the second day, and the remaining 15 m on the third day. How many meters did they dig on the first and second day? - Gold tin alloy
To make a gold decorative item, we alloy 250g of 18-carat and 200g of 14-carat gold with tin. How much tin must be added to obtain 14.6-carat gold? Express the purity of the obtained gold in the sense of the applicable legislation. - Unknown number 32
What number am I? I am greater than 10 but less than 20. My 1/3 is equal to my 1/5 plus 2. - Jakub Martin crowns
Jakub and Martin have a total of CZK 950. Jakub has a tenth less than Martin. How much CZK does Jakub have? - Thrice
Thrice a number increased by twenty is four times the number decreased by fifteen. Find this number. - The correct The correct missing numerator in 2/4 = _/8 to make the fraction equal is
- 10 workers
Ten workers will perform the assigned work in 8 days. If six workers work for six days and then another six join them, how long will it take to get the job done? - Pencils 2
Eli is selling pencils. She sold 3/5 of them in the morning and 1/4 of the remainder in the afternoon. If Eli sold 200 more pencils than in the afternoon, how many pencils did Eli have in the beginning? - Eq1
When the product of two less than three times a number and four is subtracted from nine times the number, the result is eight more than five times the number. What is the number?
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