Algebra - practice problems - page 5 of 312
Number of problems found: 6222
- Fraction or irrational
If you double 1/4 of a certain fraction and multiply it by that fraction, the answer is 1. What is the fraction? - The sum 37
The sum of 5 and one-sixth of a number x is equal to 12 less than x plus 2/5. Find x. - Multiple numerical bases
Find the value of x for which 312four+52x=96ten . Hint: four, x, and ten are the base of the given number. - Union of sets
Given the sets A = {2, 3, 4, 5} and B = {2, 4, 5, 6} . What is A ∪ B? 1.A ∪ B={2, 4, 5} 2.A ∪ B={3} 3.A ∪ B={2, 3, 4, 5, 6} 4.A ∪ B={6} - The difference 4 The difference between four times a number and five is the same as three more than twice a number. Find the number.
- A number 7
A number is such that if we multiply it by 3/5 and add 4/7 to the product, we get -2/35. Find the number. - Twice 2 Twice the difference between a number and 3 is equal to three times the sum of the number and 8. Find the number.
- Intersection of two sets
A = {a, b, c, d, e, f, g, h, i}, B = { d, g, f, k, j, a}, find A ∩ B. - 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}
- Simple coefficient Find the value of k; if x = 3, y = 2 is a solution of the equation 2x + 3y = k.
- 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 - Negative number A number minus 7 is equal to 9. What is the number?
- 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?
- A mixed school
In a mixed school, 5/9 of the pupils are boys. If there are 128 girls, how many pupils are there altogether? - Kevin 4
Kevin is 4 years older than Margaret. Next year Kevin will be 2 times as old as Margaret. How old is Kevin? - Overdraft account
Many bank accounts never go below zero. However, some banks will allow a negative balance, at least for a short time, called an overdraft. It means someone has taken out, or 'drafted', more money than was in the account, to begin with. Hannah's account we - 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? - A ride
A ride-share company charges $5.25 per ride for up to 4 passengers. It also charges an additional $0.50 per mile. Becca takes a ride from the airport, and it costs $9.00. She wants to figure out how many miles her house is from the airport. Which equation
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