Algebra - practice problems - page 7 of 277
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: 5536
- GCD&LCM of three
GCD of three numbers is 30 and LCM is 900. As two the are 60 and 150, find the number. - Three rationals
Let x, y, and z represent three rational numbers, such that y is 512 times x and z is 50.25 more than x. If y=15.5, what is the value of z? - Deon made
Deon made 4 identical necklaces, each having beads and a pendant. The total cost of the beads and pendants for all 4 necklaces was 18.40. If the beads cost a total of 9.60, how much did each pendant cost? - A number 8
A number K is such that when it is divided by 27, 30, or 45, the remainder is 3. Find the smallest possible value of K
- AP with variables
What is the second member in the arithmetic sequence with 7 terms, whose first and last terms are x+2y and 7x-4y - 13 times
1/3 times the sum of a number, and 2.6 is 4.9. What is the number? Enter your answer as a simplified mixed number in the box. - Each pack
Each pack of hot dogs costs 3.50, and each pack of hot dog buns costs 2.00. The lunchroom staff spends 48.00 when they buy an equal number of hot dogs and hot dog buns. How many packs of hot dogs and hot dog buns do they buy? - Eduardo
Eduardo wrote a fraction problem by adding 1/4 and then subtracting 2 1/2 in the same pattern, and he got these numbers: 8 5/8, 6 1/8, 6 3/8, 3 7/8 Identify the next two numbers in the pattern - Pupils - boys and girls
5/8 of the pupils in a hall were boys. 7/10 of the boys wore glasses. 48 boys didn't wear glasses. How many pupils were there in the hall?
- LCM and HCF 2
If product of two numbers is 5780 and their HCF is 17, then what is their LCM is? - A pattern
If I have a pattern that starts with 1, 4, 9, 16, 25... and so on, which of the following numbers would not appear? - Work
2/5 of the employees in a company drive to work, 1/3 travel by bus, and the rest walk. Find the fraction of those who walk. - A boy 4
A boy used 2/3 of his weekly savings to buy a textbook. Suppose he realized that he has ¢10 left. How much was the weekly savings? - Which 14
Which values of a, b, and c represent the answer in simplest form? 7/9 divided by 4/9 = a StartFraction b Over c EndFraction a = 1, b = 4, c = 3 a = 1, b = 3, c = 4 a = 1, b = 63, c = 36 a = 1, b = 36, c = 63
- Evaluate 37
Evaluate the function K(x) = 2x²+3x-2 what is the value of K(½) - Bea, Gerald and Julia
Bea is two years younger than Gerald, but Julia is 8 years older than Gerald. If Julia is 29, how old is Bea? - Mother‘s
Mother's weight is 50 kg, 0.5 times his weight, which is exactly 3/2 of the weight of the older sister. How many kilograms does the older sister weigh? - Fibonacci numbers
If the first three Fibonacci numbers are given as x1 = 1, x2 = 1, and x3 = 2, then what is the least value of n for which x(n) > 500? - Exactly 4
Exactly 1/6 of the kids are playing on the playground. Exactly 3/5 of the kids are playing soccer. Jack adds 1/6 + 3/5 to find the total fraction of kids at the park playing on the playground or playing soccer. Is he correct?
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