Algebra - math word problems - page 12 of 276
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: 5509
- The balance 2
If your balance at the end of 4 years is 50000, at a 5% interest rate, What was your original investment? - The enrolment 2
The enrolment at a school has increased from 1400 learners to 1600 learners over 5 years. What is the percentage increase in enrolment? - Geometric series
How many terms of the geometric series 8+4+2+1+0.5+... must be taken for the sum to get within 10 to the power minus 4 of its sum to infinity? - Arithmetic progressions.
Find the sum of all the numbers between 9 and 204, which is exactly divisible by 3. - The sum 31
The sum of two fractions is 13 3/4. Their difference is 8 1/5. What are fractions? - The proportion
The proportion's first, second, and third terms are 4, 20, and 13. Find the fourth term. - Three 241
Three-fifths of the t-shirts in a t-shirt shop are blue. Five-eights of those T-shirts are on sale. One-third of the blue of the blue shirts that are on sale are size medium. What fraction of the shop's blue T-shirts are on sale and size medium? - Domino
Domino and Winnie share some biscuits. The ratio of biscuits between them was 4:3. Domino gave Winnie 5 biscuits, and the ratio changed to 1:2. How many biscuits are in total? - In 1970
In 1970 the population was 24,000. In 1980 the population was 28,800. By what percent did the population increase? - HCF of polynoms
Find the HCF of the given expression: 2a²b²c4, 2a4b³c³ and 4a²b³ - Altering sign sequence
Find the nth term of the sequence -1/2, 1/4, - 1/6, 1/8, - 1/10, .... - Testing students
Giving a test to a group of students, the grades and gender are summarized below. Grades and Gender ; A; B ; C ; Total Male; 20; 6; 19 ; 45 Female ; 17; 18; 13; 48 Total; 37; 24; 32; 93 If one student is chosen at random, a) Find the probability that the - Peter 13
Peter and Paul finished the first round of orders in 3 hours and 15 minutes. Peter, however, works a lot faster than Paul does; Peter is 2 and a half times as fast as Paul. For the second day of shipping orders, peter is unavailable; paul will have to do - Peter 16
Peter travels to his uncle's home, 30 km away from his place. He cycles for 2/3 of the journey before the cycle develops a mechanical problem, and he has to push it for the rest of the journey. If he is cycling 10 km per hour faster than his walking speed - Ruben
Ruben owns a restaurant. He likes to keep track of everything customers are buying. His top 3 sellers are sandwiches, salads, and pizza. He knows that 1/3 of his customers buy a sandwich, 1/2 buy a salad, and 1/4 buy a pizza. What fraction of customers bu - Three sets
Of 240 students, 173 are on the honor roll, 48 are members of the varsity team, and 36 are on the honor roll and are also members of the varsity team. What is the probability that a randomly selected student is on the honor roll or is a member of the vars - Hoverboard
Adam lives in Podhradí, and his friend Marcel lives in Lhota. Lhota is 6 km from Podhradí. Adam travels the same distance on a hoverboard in 20 minutes as Marcel does in 25 minutes. They leave home simultaneously, drive towards each other, and meet in pre - Lightning strike
In a thunderstorm, the formula M=t/5.3 gives the approximate distance, M, in miles, from a lightning strike if it takes t second to hear the thunder after seeing the lightning. If you are 5.4 miles away from the lightning flash, how long will it take the - Temperature - linear function
In the morning, at 08:00 hours, the temperature was -8°C, and in the afternoon, at 16:00 hours, the temperature was 24°C. Assuming that the temperature changes steadily, what was the temperature at 1300 hours, and what was the time when the temperature wa - The factory 3
The factory is 18 km away from the city. A cyclist leaves the factory for the city, and half an hour after him from the same place, a motorcyclist arrives 6 minutes before the cyclist in the city. Find the speed of each, knowing that the speed of the cycl
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