Algebra - math word problems - page 17 of 312

Number of problems found: 6221

Salt water
The ratio of water (in liters) to salt (in grams) needs to be 3 to 2. If we add 10 grams of salt, how much water do we need to add?
You bought
You bought a table with chairs, and you were charged $145.86. The sales tax was 4%, and the set was 15% off. What was the original price?
Failed in examination
In an examination, 20% of the total students failed in history, 15% failed in English, and 5% of the total number of students failed in both subjects. Find the percentage of the total number of students who passed in both subjects.
Big school 2
The ratio of boys to girls in a school of 450 pupils is 4:5. When some new boys and girls are admitted, the number of boys increases by 25 and the ratio of boys to girls changes to 9:13. Calculate the number of new girls admitted.
A town 3
A town with 12,000 people has been growing at a rate of 2.5% per year. How many years ago was the population 8,000?
Students 48
If 80% of the students of a school are boys and 225 are girls, find the number of all students.
Exp decay
An element with a mass of 780 grams decays by 16.3% per minute. How much of the element is remaining after 16 minutes, to the nearest 10th of a gram?
After 9
After reducing the price by 10%, the dress costs 270 GEL. What was the cost of the dress before it got cheaper?
Test and exam
1100 boys and 700 girls appeared in a test. If 42% of boys and 36% of girls passed, then find the percentage of students who failed.
An iron rod
If 22.5 meters of a uniform iron rod weighs 85.5 kg, what will the length of 22.8 kilograms of the same rod?
An examination
In an examination 65% students passed in English and 56% in mathematics. And 25% failed in both the subjects. If 414 passed in both the subjects, then find the total number of students.
The price 8
The price of a commodity has decreased by 10%. What is the percentage by which it should then be increased to get the original price?
Cost and sell price
A wholesaler sold items at a profit of 20% of the sales, which was a profit of P52.80. What were the cost price and selling price of the item?
Football and cricket
In a school 40% of the students play football and 50% play cricket. If 18% of the students neither play football nor cricket, then find the percentage of the students playing both.
An election
In an election between two candidates, one candidate secured 43% of the total votes polled and lost the election by 4900 votes. Find the total number of votes polled.
At present
At present, Ram is eight years younger than Susan, and Hari is two years younger. If the respective ratio between the present age of Ram and that of Hari is 3: 4, then what is Hari's present age?
Flower series
Every day, the flower develops two new flowers, and each of these new blossoms also bears two flowers each day. After eight days, how many blooms are already present in the garden?
School - boys:girls
In a school, 10% of the boys is equal to 1/4 of the number of girls, and 10% of the number of girls is equal to 1/25 of the boys. Find the ratio of the number of boys to girls.
Four numbers 3
What is the smallest number that must be added to each of the numbers 6, 15, 20, and 43 to make them proportional?
Numbers at ratio 2
Two numbers are in the ratio 3:5. If each number is increased by 10, the ratio becomes 5:7. Find the sum of the numbers.

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