Algebra - math word problems - page 231 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
- Coefficient: 3849
Determine the similarity coefficient: a) 4.8; 5.6; 8.4 b) 1.44; 1.68; 2.52 - Variations 8333
How many elements do we create 90 variations of 2 classes without repeating elements? - Construction 82411
It should have taken four trucks 6 hours and 45 minutes to bring the sand to the construction site. After 90 minutes, one car broke down. How long did it take to transport the remaining sand in three trucks? - Expedition 82407
Food for 56 sailors would last 32 days. How long did the food supplies last the expedition if 14 castaways were taken on board after 12 days of sailing?
- Production 80546
In a factory, 10 lines produce many screws in 8 days. How many days will production be extended if two of them fail? - Harvesting 45961
The father would pick all the apples himself in 8 days. After two days, the son also started harvesting, and after another four days, they finished harvesting. How much would his son pick all the apples for? - Complete 5584
The two workers dug together for 6 hours. The first worker would do the work himself in 14 hours. How long would it take for the second worker to complete the task? - Average 4491
The tourist came out at 6:00 at an average speed of 4 km/h. In 2 hours, a cyclist set off on the same route at an average of 28 km/h. When did the cyclist catch the tourist? - Produced 3333
How much 55% alcohol do we need to add to 1500 grams of 80% alcohol to produce 60% alcohol? How much is 60% of alcohol produced?
- Three days way
The tourist walked a quarter of the way on the first day, a third of the rest on the second day, and 20 km on the last day. How many km did he cover in three days? - Triplets
Three years ago, the triplets Pavel, Petr, Luke, and their five-year-old sister Jane had been together for 25 years. How old is Jane today? - Our house
Our house would paint by four painters in 14 days. How long could it paint five painters? How long will it take if two other painters come to help after five days? - Tonic
One package tonic consumes Mom for 12 weeks and the daughter for 14 weeks. They use the same cream together for four weeks and then only their daughter. How many weeks endured tonic to daughter then? - Two wine
In the ratio of 2:1, mixed wine solution cost 4.1 USD. In the ratio of 1:2, mixed wine solution costs 4.5 USD. How much does a liter of each wine cost?
- 2nd class combinations
From how many elements can you create 2346 combinations of the second class? - Children 7393
The average age of the children in the group is 14 years. There are four times more boys than girls in the group. The average age of the girls in the group is 12 years. What is the average age of boys? - Temperature 80864
You have water at a temperature of 10°C and boiling water at a temperature of 100°C. How do you prepare 9 liters of water at a temperature of 30°C? - Vertically 65984
We threw the stone vertically upwards at a speed of v = 15m. s-1. How long will it be at a) 10 m, b) 12 m? - Five-crown 63854
Petra has two-crown and five-crown coins. He has ten coins in the coffers. How many two crowns and five crowns if she saved CZK 29?
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