Algebra - math word problems - page 18 of 305

Number of problems found: 6095

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.
A population
A population of fish starts at 8,000 and decreases by 6% per year. Use an exponential function to find the population of fish in 10 years.
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?
The ratio 13
The ratio of boys to girls in Mr. Hakeem's class is 6:4. If there are 18 boys, how many girls are there?
Cu ore
An ore contains 5% copper. How much ore is required to obtain 400 grams of copper?
Percents and ratio
When 20% of a number is added to another number, the number increases by 50%. What is the ratio of the two numbers?
The population 4
The population of a city is decreasing at a rate of 2% per year. The population in 2002 was 700,000. What would be the population in 2009?
A fruit 4
A fruit seller had some apples. He sells 40% apples and still has 420 apples. How many apples originally he had?
Petra 6
Petra sold an item for 4000 and made a 40% profit. What was the cost price of the product?
Simple form
Given ratio 45: 90 = Write the ratio in a Simple form
Five roommates
Five roommates will move into a house with four bedrooms: one double room and three single rooms. The five roommates propose that they draw names to determine the order in which they pick the bedrooms, assuming that the first three names drawn will choose
Reading newspaper
40% of the people read newspaper x and 50% read newspaper y, and 10% read both the papers. What percentage of people read neither of the newspapers?
Four numbers 3
What least number must be added to each of the numbers 6,15,20 and 43 to make them proportional?
Palidrom
A number consists of two digits whose product is 24. When 18 is subtracted from the number, the digits change their places. Find the number.
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?
The difference 8
The difference between the ages of two brothers is 10 years, and 15 years ago their ages were in the ratio 2:1.Find the ratio of their ages 15 years hence .
A man 11
A man is x years old. In 10 years, he will be twice as old as he was 5 years ago. How old will he be in 10 years?
Solve 26
Solve percentages question: 75 % of p = 225
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?
Direct proportional
If m is proportional to n and m=5 when n=4, then what is the value of m when n=18?

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