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.Number of problems found: 5547
- 280 oranges
280 oranges are divided among 50 girls and boys so that each boy gets 5 oranges and each girl gets 7 oranges. How many girls are there? - A pair 2
Jane is 5 years older than Tom. In 3 years, the sum of their ages will be 41. How old are Jane and Tom now? - The bill 2
I paid 3/5 of a bill. If 400 USD of the bill is still due, what was the total amount of the bill? - The sum of squares
The sum of the squares of two numbers is 233 and one of the numbers is 3 less than twice the other. Find the numbers.
- The difference 7
The difference of a proper fraction and its reciprocal is 7/12. Find the fraction. - Divisible by three
What least value must be assigned to the blank space so that the number 789563 is divisible by 3 - Father and son 10
Two years ago, Philip was 3 times as old as his son, and 2 years hence, twice his age will be equal to 5 times that of his son. Find their present ages. - Students
In a school 2/5 of total numbers of students comes by car while 1/4 by bus, and others walks to school, of which 1/3 walks on their own and rest are escorted by their parents. If 224 students comes to school walking on their own. Find the total number of - An adventurer
An adventurer makes 2/5 of a car trip, 1/3 on horseback and the rest on foot he walks 80 km. What is the total length of your route?
- Kevin and Mary
Kevin is 4 times as old as Mary was 2 years ago. In seven years Mary will be as old as Kevin is now. How old are they now. - Older or younger
The age of a man after 15 years is 4 times the age of that man 15 years before. Find his present age. - Empty rooms
In the tourist dormitory, 44 students slept in eight rooms, some of which were four-bed and others six-bed. When two beds were empty, how many four-bed and six-bed rooms were there in the dormitory? - One muffin
Eight muffins and one drink cost $8.12. If the drink costs $1.24, find the cost of one muffin. - Fraction money
5/8 of a sum of money is £1.10. What is the whole amount?
- Fraction equation 3
A number minus one-ninth equals one-half. Find the number. - Soup mixes
You sell soup mixes for a fundraiser. For each soup mix you sell, the company that makes the soup receives x dollars, and you receive the remaining amount. You sell 16 soup mixes for a total of (16x+96) dollars. How much money do you receive for each soup - Farmer 8
Farmer George cultivated 7/12 of his land with oranges and 1/5 of the remainder with cherries, and the remaining 40 acres he planted with cash crops. How much land did the farmer cultivate in all? What fraction of land does she plant with cherries? - The difference 6
The difference between a number and 15 is multiplied by -3, and the result is - 30 - Prealgebra ex
Find an unknown number/mixed number N in the given equation: N + 3 1/2 = 6 3/4
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