Algebra - math word problems - page 199 of 303
Number of problems found: 6048
- Mr. Fish
Mr. Fish paid 1,080 CZK for the purchase of three Christmas carpets. The difference in weights (in this order) between the first and second carp and between the second and third carp was exactly 80 dag. The price of 1 kg of live carp was 120 CZK. a) Calcu
- Digits of age
The product of the digits of Andrew's age six years ago is the same and not equal to 0. Andrew's age is also the youngest possible age with these two conditions. After how many years will the product of the digits of Andrew's age again be the same as toda
- Percent
Calculate how much % is the number 26.25 less than the number 105.
- Prepared 66494
Benches were prepared around the fire. When seven tourists sit on them, one tourist will sit alone on the last bench. When six of them all sat down, one had to stand. How many tourists were at the campfire if we know there were less than 100, and how many
- Following 6367
Uncle Rudolf weaves baskets, which he then sells in the market. On Monday, he knitted 7 baskets; he worked one more every other day than the previous day. How many times more baskets did he knit by the following Monday dinner, compared to the first day, i
- The exhibition
The teacher charged 280 CZK for four students' admission to the exhibition. How many students were at the exhibition? Hint: the admission cost is a whole number.
- 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?
- Make loss
By selling an item 750, a trader made a 25 percent loss. How much loss did the trader make?
- Double of principal
How long will it take for the principal to double at 12.25% annual interest?
- Bikes
Pepa asked Honza how many bikes he had. He replied that he had three-quarters of their total number and another three-quarters of one bike. So, how many cycles does Honza have?
- Profit gain
If 5% more is gained by selling an article for Rs. 350 than by selling it for Rs. 340, the cost of the article is:
- Factory
In the factory, workers work in three shifts. Half of all employees work on the first shift, a third on the second shift, and on the third shift 200 employees. How many employees work at the factory?
- Proportion
Write the following proportion: Eight is to 64 as to 2 is to x
- Sequence - 5 members
Write the first five members of the sequence a_n =(3n - (-1)^n) +2
- Reciprocal equation
Determine the root of the equation: 9/x-7/x=1
- Coffee
The coffee from the machine costs 31 cents per cup. Coffee is 20 cents more expensive than the cup. How much is the cup?
- Chebyshev formula
To estimate the number of primes less than x Chebyshev formula is used: Pi(x) = 1.11 (x)/(ln x). Estimate the number of primes less than 30300537.
- Coordinate
Determine the unknown coordinate of the point M [x, 54] of the graph of the function f by rule: y = 3x
- Book
The printer used 4201 digits to number the pages of the thick book. How many pages does this book have?
- Radioactivity
After 548 hours decreases, the activity of a radioactive substance to 1/9 of the initial value. What is the half-life of the substance?
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