Algebra - math word problems - page 16 of 292
Number of problems found: 5828
- 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?
- 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?
- 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?
- An article
An article is sold at 20% profit. If it were sold at a 25% profit, then he could get USD 35 more. Then, find the article's cost price.
- Four numbers 3
What least number must be added to each of the numbers 6,15,20 and 43 to make them proportional?
- Write 8
Write an expression for the total cost using the variable x. A bus company charges $35 to rent a bus for the day plus $4.50 for each student.
- 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?
- 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?
- I have 2
I have $907 to pay 13 people. Five people will receive half of what the other 8 people will receive. How much will the payments to each person be?
- There 35
There are three points on a straight line: A, BC. If CD = 8x, DE = 3, and CE = x + 10, what is CD? Simplify your answer and write it as a proper fraction, mixed number, or integer.
- The ages 3
The ages of A and B are in ratio of 5:4. Three years hence the ratio of their ages will become 11:9. What is the present age of B?
- Failed in examination
In an examination, 20% of total students failed in history,15% failed in English and 5% of total number of students failed in both subjects. Find the percentage of total number of students who passed in both the subjects.
- Direct proportional
If m is proportional to n and m=5 when n=4, then what is the value of m when n=18?
- 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.
- My grandfather
My grandfather was 8 times older to me 16 years ago. He would be 3 times of my age 8 years from now. What was the ratio of our ages 8 years ago?
- 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?
- Cu ore
An ore contains 5% copper. How much ore is required to obtain 400 grams of copper?
- Ann and Susan
The difference between the present ages of Ann and Susan is 6 years. After 4 years ratio will be 3:4. What can be the present age of Susan?
- Students 48
If 80% of the students of a school are boys and 225 are girls, find the number of all students.
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