Algebra - math word problems - page 170 of 276
Algebra is a branch of mathematics that uses not only numbers and characters but also letters to solve operations. For example 3x+5x is 8x.Number of problems found: 5513
- Assistant
The Assistant rewrote 15% of the entire manuscript in 12 hours. How many hours must he still write to rewrite the rest of the manuscript? - Bricks II
3/4 bricks weigh 6 kg and 2/3 bricks. How weighs one whole brick? - Car value
The car loses value by 15% every year. Determine a time (in years) when its price will halve. - Infirmary
Two-thirds of children from the infirmary went on a trip, a seventh went to bathe, and 40 children remained in the gym. How many children were treated in the infirmary?
- Half life
Determine the half-life of bismuth, when bismuth weight from the original weight of 32 g was only 2 grams in 242 minutes. - Trickster
Figliarko has 13 cents less than Hana. Together they have 57 cents. How many cents has Hana, and how many Figliarko? - Copy typist
Typist for 12 hours, rewritten 15% of the manuscript. After how many hours will he do 35% of the manuscript? - Clock
What time is now if the time elapsed afternoon is 2/10 of time that elapses before midnight? - Function
For linear function f(x) = ax + b is f(10)=192; f(16)=170. Calculate m, if f(m) = 2008.
- Camel
Camel's owner wants to get out of the city into an oasis. He bought 3000 bananas, which he wants to sell in the oasis. However, an oasis from the city divided 1,000 kilometers of desert. Camel can carry up to 1000 bananas and eats one banana for every kil - Variations 70724
If we increase the number of elements by 2, the number of variations of the second class without repetition increases by 22. How many elements do we have initially? - Divisible 68644
List all divisible numbers by six and seven that are greater than 79 and less than 91. - Unknown 65404
If we reduce the unknown number by 336, we get 65% of its value. Specify an unknown number. - Original 63184
If you reduce the unknown number by 90, you get 88% of its original value. Specify this unknown number.
- Representing 21473
Six 7th graders, representing 24% of all graders, had honors. How many students are in the class? - Accounted 19563
During the fishing of the pond, 19 catfish were caught. They accounted for 4% of all fish caught. How many fish were caught? - Pupils
There are 27 pupils in the classroom. They can swim 21 and ski nine pupils. Neither swim nor ski three pupils. How many pupils can swim and ski? - Determine 8115
The number of blue and green candies is 5:6. and The number of red and green candies is 3:8. Determine the ratio of red and blue candies. - Great-grandfather 6705
Monika was born on the day his great-grandfather was 90 years old. How old is Monika if the product of their ages is 1000?
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