Equations practice problems - page 161 of 250
Number of problems found: 4997
- Sound Distance Time Table
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 €? - Catching Up on Trip
Pauline went on a trip on a hiking trail at an average speed of 4 km/h. Dale followed her an hour later and hurried at a speed of 7 km/h. How many kilometers does Dale 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?
- Towels Price Quantity
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? - Excavation by gentlemen
The site manager, based on the length of the excavation, estimated that the whole excavation for laying a plastic pipe bringing water to the kindergarten building could be carried out by Mr. Demeter together with Mr. Vondrák in 1.2 shifts. From experience - Age Twice Sister Ago
I was twice as old as my sister four years ago. How old am I today? - Bread to kilos
A store received d two-kilogram loaves and t three-kilogram loaves of bread. By the end of the day, 14 two-kilogram loaves had been sold. How many kilograms of bread remained in the store at the end of the day? - Age puzzle
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? - Mushroom sharing
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? - Music Recording Duration
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. - Fraction missing number
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? - Chasing a Bike Thief
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 a second bike. How fast must Peter's brother have been driving? - Individual
On a hill behind Terchová, there is a sheepfold where a shepherd lives. He divided his two hundred 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 fewer in t - Company Turnover Distribution 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?
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