Equations practice problems - page 153 of 236
Number of problems found: 4717
- Dependence 5997
Sound travels in the air at a speed of 330 m/s. Build a table of the dependence of the distance the sound travels in a given time (for 1 to 10, one second at a time). Write the equation of the relevant dependence. - Two numbers 6
Fill two natural numbers a, b: 7 + blank- blank = 5 - Meat loses
Meat loses 18% of its weight by smoking. How much raw meat does the butcher use to manufacture 35 kilos of smoked meat? - The price
The price of the land increased by 17%. What was the original price of the land if it now costs 46800 €? - Kilometers 5972
Pavlina went on a trip on a hiking trail at an average speed of 4 km/h. Dalibor followed her an hour later and hurried at a speed of 7 km/h. How many kilometers does Dalibor cover before he catches up with Pavlina? - Father and son
When I was 11, my father was 35 years old. Today, my father has three times more years than me. How old is she? - I think I think a number. When I multiply it by five and subtract 477, I get the same number as if I multiplied it twice. What number do I think?
- Everyone 5965
We bought towels for CZK 432. If there were six more towels for the same money, everyone would be 66 CZK cheaper. How many towels were there? - Original price
The dress was reduced by 20% and, after another six months, by another 5%. It now costs 38 EUR. What was the original price of the dress? - Sister 5947
I was twice as old as my sister four years ago. How old am I today? - Bread to kilos
They brought in d two kilos and t three kilos of bread to the store. By the end of the day, they sold 14 two-kg bread. How many kilos of bread remained in the store by the next day? - Petko 5945
Petko and Lenka are two years older than Jana. Jana is eight years old. Petko is two years older than Lenka. How old is Lenka? How old is Petko? - Mushrooms 5944
The siblings went to the mushrooms. Jana found 38 mushrooms, more than Pavel. Paul asked her to give him enough mushrooms to have the same on the way home. How many mushrooms should Jana give him? - Fifty-six 5943
Fifty-six seconds have already elapsed from the music recording, which was 14% of the total duration of the recording. How long the recording will still last. - Question 5942
What number should be added instead of the question mark 25/45 =? / 24. And how do we find out?
- Fractions
Three-quarters of an unknown number is 4/5. What is 5/6 of this unknown number? - Minutes 5934
The thief stole Peter's bike and rode it down the road at 25 km/h. Peter's older brother saw it in half a minute and caught up with the thief in 5 minutes on the second lap. How fast must Peter's brother have been driving? - Individual
On the hill behind Terchová, there is a sheepfold and a shepherd lives in it. He divided two hundred of his sheep into 4 groups in a mysterious way: If he had 4 more sheep in the first group, 4 fewer in the second, 4 times more in the third, and 4 times l - Distribution 5932 One-half of the turnover is used for wages and one-third for production and distribution. After postponing CZK 100,000 for marketing, CZK 230,000 will remain. How high is the total turnover?
- Together 5930
Vlado ate 1/5 of the candies. Marek ate 1/3 of the sweets, and Susan ate 21 candies. How many candies were together?
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