Algebra - math word problems - page 200 of 312
Number of problems found: 6225
- Radioactivity
After 113 hours decreases, the activity of a radioactive substance to 1/6 of the initial value. What is the half-life of the substance? - Herbs drying
By drying, 75% of the weight of the herbs is lost. How many fresh herbs do you have to dry if you want to hand in 1.2 kg of dried herbs? - Hens rabbits puzzle
Hens and rabbits, 22 heads and 62 feet, run around the garden. How many? - Perctentages
35% of what number is 35? - Number Increased Percent
The number z increased by 20, which is 40% larger than the number z. Determine the number z. - Original price
The shop reduced the car to 85% of the original price. It now costs € 6,375. How many euros was the original price higher? - Bivariate data set
Here is a bivariate data set in which you believe y to be the response variable. x y 51.4 44.8 60.2 46.6 60.1 46.8 45.8 46.3 37.4 41.8 72.4 52.5 60 48.2 67.5 49.5 60.9 49.8 51.1 45.7 62.7 49.6 194.9 84.2 Make a scatter plot of this data. Which point is an - Dividing money
The father originally wanted to divide the financial amount between his sons in the ratio of 7:6. However, he then split it at 6:5 (in the same order). One of the sons got angry that he should have received 120 euros more. How many euros did each son rece - Big Ben clock
They had three tower clocks in the city. Some went right, others were 10 minutes ahead of the day, and the third was 12 minutes late each day. One day, they struck all the clocks at noon at once. How long will it be like this again? - A sum 5
A sum of money is to be shared in the ratio 3:5:7. If the smallest share is Php9.00, How much money is shared? - Honza
Honza is 13 years old, and Peter is 21 years old. After how many years will their ages be, at a ratio of 7:9? - Michal computer saving
Michael is saving for a new computer. His parents gave him 130 euros, which was 26 percent of the total amount. He received 20 percent of the price of the computer from his grandmother, and his aunt added another 35 euros. How many euros does Michael stil - Petra's test
The teacher will give a correct answer score of eight points, and the wrong answer will be deducted three points. The total score obtained by the school is 36 points. If Patricia answered six questions correctly, how many questions were answered incorrect - Saving for education
Suppose a couple invested ₱50,000 in an account when their child was born, to save for college. The average annual interest rate is 4.4%, compounded annually. a) Give an exponential model for the situation. b) Will the money have doubled by the time the c - Grandfathers Age and Grandchildren
Michael's grandfather has 4 grandchildren. During this year's celebrations, he discovered that he is 7 times older than Michael, six times as old as Wes, four times as old as Emil, and three times as old as John. This situation can only happen once in a l - Birthdate
Jane brought 30 lollipops and 24 chewing gum for their friends on her birthday. How many friends does she have if everyone receives the same number of lollipops and pieces of chewing gum? How much chewing gum and lollipops have any friends? - Brick weight
The brick weighs 5 kg and a half-brick. How much does one brick weigh? - Achilles and the turtle
It is known that Achilles will not catch up with the turtle. But his brother Auchalles can do it. He even gave the turtle an 8-hour lead. Calculate how far from the start Auchalles will meet a turtle moving at an average speed of 70 m/h if Auchalles walks - Apples
A 2 kg of apples cost a certain sum of money. This sum equals the number of kilograms for which we pay 72 CZK. How much is 1 kg of apples? - In prima, secunda and tertia
The numbers of children in Class 1, Class 2, and Class 3 are in the ratio 3:4:3. Class 1 and Class 3 together have 12 more children than Class 2. How many children are in Class 1?
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