Algebra - practice problems
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. So working with expressions, solving equations, systems of equations.Number of problems found: 6083
- Carnival
Kevin is going to a carnival that has games and rides. Each game costs $1.50 and each ride costs $3. Kevin spent $18 altogether at the carnival and the number of games he played is 4 times the number of rides he went on. Write a system of equations that c - Two sons and man
A man's age is three times the sum of the ages of his two sons. After five years, his age will be twice the sum of the ages of his two sons. Find the age of the man. - Father and son
Age of father is 5 times the age of his son. After 10 years, age of father will be 3 times the age of son. Find the present age of both of them . - Amusement park.
A group of friends wants to go to the amusement park. They have $311.50 to spend on parking and admission. Parking is $16.75, and tickets cost $32.75 per person, including tax. Write and solve an equation which can be used to determine the number of peopl - Circular track 3
Henry and Margo both began traveling around a circular track. Henry is riding his bike, and Margo is walking. It takes Henry 7 minutes to make it all the way around, and Margo takes 12 minutes. How many minutes will pass until they meet at the starting li - Horses equation
Some men and equal number of horses are going somewhere. Half the sitting on the horses and rest are walking with the horses. If the number of feet on the ground is 70, how many horses are there? - Daughter and Mom A mother is seven times as old as her daughter. In 7 years time she will be five times as old as her daughter. How old is each of them?
- GP - negative term
The first term of a GP is -3 and the square of the second term is equal to its 4th term. Find the 7th term of the GP. - Mother and daughter 6 A mother is six time as old as her daughter. In 6 years time she will be four times as old as her daughter . How old is each of them?
- Journey trip A man performs 2/15 of the total journey by rail, 9/20 by bus and the remaining 10 km, on the cycle. What is his total journey?
- Last Friday
3/4 of the children were present at school last Friday. If there are 90 children present, how many children were absent? - Two friends 5 Two friends, X and Y. X is 36 years old and Y is 16 years. In how many years X will be twice as old as Y?
- 4100 USD
4100 USD was distributed in 50 boys and girls. Each boy got $ 90 and each girl $ 65. Then, find the number of boys. - 5 yrs 5 yrs ago, the average age of Rasmi and Suravi was 20 yr. Now, the average age of Rasmi, Suravi and Mita is 30 yrs. What will be the age of Mita after 15 years?
- Reciprocal in equation
A positive number, when increased by 10 equals 200 times its reciprocal. What is the number? - Horses and hens
In a park, there are some horses and some hens. If total number of heads 68 and number of legs together is 198. Then find the number of hens in the park. - Sarah 7
Sarah bought snacks for her team's practice. She bought a bag of chips for $1.56 and a 20-pack of juice bottles. The total cost before tax was $33.96. Write and solve an equation which can be used to determine, how much each bottle of juice cost. - Expression - two variables
The formula with two variables is given: y=5*x+38. Solve for x. - The supplementary angles
Two supplementary angles differ by 50°, find the measure of each angle. - Repeating to infinity
How do I express 0.99999999… as a fraction? (nine repeating) Another questions: Can you write .9999 repeating as a fraction? How do you turn 0.9 repeating into a fraction?
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