Equations practice problems - page 65 of 240
Number of problems found: 4795
- Missing denominator
3 1/3 + 4/? =4 2/15 What is the missing number in the equation? - Increased 64324
The number of books in the city library increased by 0.2% in 2008 and 0.6% in 2009. At the same time, the total number of books remained less than 300,000. How many books were added to the city library in 2009? - Mountain 64314
The hiker set out on a hike at 5 km/h. After 30 minutes, a cyclist on a mountain bike set off on the same route at 20 km/h. How many minutes will the cyclist overtake the tourist? - A beauty
A beauty supply company has 53 liters of 5% hydrogen peroxide solution on hand and a nearly limitless amount of a solution containing 35% hydrogen peroxide. How many liters of the 35% hydrogen peroxide solution should the company add to the 5% hydrogen pe - Employees 64184
The company employs 20% more women than men and 240 women. How many employees are there? - Completed 64134 Six workers will do the work in 8 hours. How many workers must be added if the work is to be completed in 3 hours?
- Individual 64124
The line is divided into two parts in a ratio of 4:7. The difference in lengths of individual parts is 18 cm. What is the length of the line in cm? - Represent 64064
Together, they keep 110 poultry (hens, turkeys, ducks, and geese) on the farm. Hens represent half. There are ten turkeys and seven ducks, more than geese. How many geese are kept on the farm? - Represented
The children of 5A wrote a math test. The class had 29 children. After evaluation, there were two more units than cents, the mark 3 occurred three times, the mark 2 represented twice the number of units, the mark 4 did not occur. How many ones, twos, thre - Assembling 63964
Little Pavel was assembling building blocks (a cube is shaped like a cube). He wanted to build a big cube. However, he had 75 dice left, so he increased the edge by one die. Then he was missing 16 dice. How many cubes did he have in the kit? - Horses 63954
A herd of horses grazes in the meadow. They have 78 legs more than their heads. How many horses are in the herd? - Unknown 63944
Find an unknown number if 2/5 of it is 6.2. - Newspapers 63904
From Monday to Friday, 9650 newspapers were sold, on Tuesday 1680 were sold, on Monday 50 more than on Tuesday, on Wednesday the same as on Tuesday and on Thursday 2x more than on Tuesday. How many newspapers were sold on Friday? - Intended 63664
Farmers had to sow 200 hectares of fields. They reduced the planned sowing time by two days while planting 5 hectares more each day than intended. How many days did the sowing last? - In a GP 72+144
In a GP, the sum of the 2nd and fifth terms is 72, and the sum of the 3rd and 6th terms is 144. Find the common ratio, find the first term, and find the sum of the first six terms - Quarter 63494
There were 15 apples in the basket. There were four fewer red apples than green ones and a quarter fewer reds than red ones. How many red apples were in the basket? - Remaining 63364
Juraj pays from a monthly pocket quarter for a snack, a fifth for drinks, and a third for technical details for a PC. He saves the remaining 13 euros. What's his monthly pocket money? - Everyone 63334 There are three times more children in the gym than adults. The average age of adults is 44 years. What is the average age of children if the total average age of everyone in the gym is 20?
- Original 63184
If you reduce the unknown number by 90, you get 88% of its original value. Specify this unknown number. - Lengths 63174
The block has a square base of 36 dm2, and its height is 1/3 of the length of the base edge. Find the sum of the lengths of all edges of a block.
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