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: 5513
- 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 - Violin and dance lesson
Each week, Nina takes a violin lesson and a dance lesson. The dance lesson costs ⅔ as much as the violin lesson, and the combined cost is $75. Which systems of equations could be used to find d, the cost of the dance lesson in dollars, and v, the cost of
- The population 2
If 3/5 of a village's population is 366 persons, what is the village's population? - Addition method
Solve for the variables by substitution or addition method: x + 3y = 19 5x + 3y = 35 - The land 3
A farmer uses 1/3 of his land to grow cassava, 2/5 to grow maize, and the rest for vegetables. If the area used to grow vegetables is 10 acres, what is the total area of the land? - Field trip 2
A principal is organizing a field trip for more than 400 students. She has already arranged the transportation for 280 students. Each school bus has the capacity to transport 40 students. Find the number of school buses still needed to transport all of th - Muffins 3
Adela went out and bought some muffins. She gave 27 to Jack and 2/7 of the rest to her brother. She is then left with 1/2 of the number of muffins she had before. How many muffins did Adela have at first?
- Carla 4
Carla is hanging a quilt that is 0.8 meters wide on a wall that is 3.3 meters wide. Carla wants the quilt to be centered on the wall. Which of the following is the most reasonable estimate for the space on either side of the quilt when it is perfectly cen - Eq simple
If three times a number is subtracted from 7 times the number, the result is 2. What is the number? - Using fraction
Ling is using fraction strips to add 2/3 and 7/12. The sum is one whole, plus how many twelfths? - Unknown r
Solve for r. (2)/(3) * r = 5 Write your answer as a fraction or as a whole or mixed number. - Relay teams
There are 159 students to be grouped into relay teams. Each team should have the same number of students. Can each team have 3,5 or 6 students? Explain.
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