Equations practice problems - page 115 of 241
Number of problems found: 4814
- Equation 23
Find the value of unknown x in the equation: x+3/x+1=5 (problem finding x) - Boys school count
Two-thirds of boys are in sports school. How many boys are there in school if there are 212 girls? - Two workers
One worker needs 40 hours to do a job, and the second would do it in 30 hours. They worked together for several hours, then the company recalled the second, and the first completed the job in 5 hours. How many hours did they work together, and how much di - Geography tests
On three 150-point geography tests, you earned grades of 88%, 94%, and 90%. The final test is worth 250 points. What percent do you need on the final to earn 93% of the total points on all tests? - Medians in right triangle
It is given a right triangle, and angle C is 90 degrees. I know it medians t1 = 8 cm and median t2 = 12 cm. How to calculate the length of the sides? - Aunt Rose
Aunt Rose gave $2500 to Mani and Cindy. Mani received $500 more than Cindy. How much did Cindy receive? - Discount and prices
After a 29% discount, the new product price was € 426. What was the original price of the product? - Faces diagonals
Find the cuboid volume if the cuboid's diagonals are x, y, and z (wall diagonals or three faces). Solve for x=1.6, y=1.8, z=1.6 - 45th birthday
This year Mrs. Clever celebrated her 45th birthday. Her three children are now 7, 11, and 15 years old. How many years will Mrs. Clever's age equal the sum of her children's years? - Sale off The TV went down 10% and then again 10% off the original price. Now it costs 300 €. What was its original price?
- Math test
In mathematics, there were 25 problems of three kinds: light 2 points, medium 3 points, and heavy 5 points, and the best score was 84 points. How many points did Jane have when she solved all the easy examples, half of the medium, and one-third of the dif - Two chords
Calculate the length of chord AB and perpendicular chord BC to the circle if AB is 4 cm from the circle's center and BC 8 cm from the center. - Bike ride
Marek rode a bike ride. In an hour, John followed him on the same route by car at an average speed of 72 km/h, and in 20 minutes, he drove him. Will he determine the length Marek took before John caught up with him, and at what speed did Marek drive? - Equation solving
Solve the equation: 5x- (12-2x) = 3 * (x-5) -2 * (- x-11) - Divide candies
John, George, and Adam shared candies in a ratio of 2:3:1. John received six candies. How many candies did the boys share? - Unknown number equation
Twice, the difference between the number 50 and the unknown x reduced by the unknown x is equal to the number 106. What is the unknown number? - Candle collection count
The well-known Candle Collector, Antonín, had half of the blue candles in his collection, a third of the candles with a colored motif, and 128 green candles. How many candles does Antonín have in his collection? - Family
The twins, Nina and Ema, have a five-year-old brother, Michal. Together, they have 43 years. How old is Michal? - The fruit basket
The fruit basket is five times heavier than the empty basket. Filled is 20kg heavier than empty. Determine the weight of the fruit in the basket. - Ten pupils
Ten pupils came to the art group. Eight pupils painted with watercolors and nine painted with ink, each painted with ink or watercolors. How many pupils painted water and ink at the same time?
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