Algebra - practice problems - page 9 of 275
Algebra is a branch of mathematics that uses not only numbers and characters but also letters to solve operations. For example 3x+5x is 8x.Number of problems found: 5489
- Set complement
Let U = {1, 3, 5, 7, 9, 11} and A = {1, 5, 9}. What are the elements of A’? A. {3, 7, 11} B. {0} C. {1, 3, 9} D. {2, 4, 6, 8, 10} - Denominator 80875
Given a fraction whose denominator is 2 greater than its numerator. If we increase both the numerator and the denominator of this fraction by 7, we get the fraction 5/6. Which fraction is it? - Simple coefficient
Find the value of k; if x = 3, y = 2 is a solution of the equation 2x + 3y = k. - Purchase 80850
Janka and Danka together paid €132 for the purchase. However, Jana paid five times more than Danka. How many euros did Janka pay, and how much did Danka pay? - Math class
There are a total of 30 students in a math class. The number of boys is 2 more than 3 times the number of girls. How many boys are in this math class? - School library 2
There are 3 times as many books in the town library as in the school library. The town library has 2,676 books. A. How many books are in the school library? B. Which of the following is a division equation that can be used to find the number of books in t - Calculate 80804
The school bought 20 tablets and 15 laptops for the students for a total of exactly €6,000. Calculate the amount of one tablet and the price of a laptop if the tablet was €50 cheaper than the laptop. - Apple 80796
A total of 18 pear and apple trees grow in the set. Pears are 2 times less than apple trees. How many pears and apple trees are there? - Grandmother 80795
The grandmother is 4 times older than the grandson. In 7 years, it will be only 3 times. How old is grandma? - Euros 80767
Adam had 3 times more than Fero. Gabo is 11 less than Fero. They had a total of 59 euros. How much did each have? - Unknown 80760
If we add 5 to twice the unknown number, we get the number 6.02 - Repairing 80759
They spent three days repairing the damaged pipe, 115 m long. On the first day, they repaired a quarter of what they did on the second day, and on the third day, they repaired 20m less than on the second day. How many m of pipe did they repair on the firs - A number 6
A number minus 7 is = 9. What is the number? - Beginning 80744
Katerina has a large package of candies. She ate a quarter and offered a fifth to her friends. She divided the rest of the candies into two equal parts and gave them to her siblings. Brother Michal received 33 candies. How many candies did Katarina have a - Three 222
Three tractor drivers working on a private farm together played 24 hectares of land in a shift. The first drive played half the second, and the second 4 hectares more than the third. Calculate the number of hectares played by the first, second and third. - Subtract 80730
I think a number. If I multiply it by three and then subtract 120, I get the number 900. What is that number? - Remaining 80727
In the hotel, half of the people live on the first floor, a third on the second floor, and the remaining 40 guests live in the attic. What is the capacity of the hotel if it is 3/4 occupied? - What number
What number must be added to both the numerator and denominator of 3/5 to get 5/6? - The sum 30
The sum of 8 times a number and 5 times another number is 184. The first number minus the second number is -3. What are the numbers? - Strawberries 80646
Mom and grandma went shopping at the market. Mom bought 2 kg of strawberries and 3 liters of blueberries and paid 250 CZK. Grandma bought 1 kg more strawberries and 0.5 l fewer blueberries than mom and paid 45 CZK more than her. How much did 1 kg of straw
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