Equations practice problems - page 161 of 251
Number of problems found: 5001
- Tree planting
In the forest nursery, children planted new trees for 3 days. They planted a total of 84. On the second day, they planted 75% of what they did on the third day. On the first day, they planted exactly one-third of all planted trees. How many trees did the - Leaves Fall Four Days In the park, one-third of all the leaves on the trees fell on the first day. On the second day, a quarter of what remained on the branches fell, and a third of the remaining leaves on the third day. Half of the leaves were blown off the trees on the fourt
- Water Tank Empty Weight
What is the weight of an empty water tank, and how many kilograms of water is in it? If the total weight a) 192 kg, would it drop to 132 kg after a third of the water weight is drained? b) 107 kg would increase to 132 kg after adding a quarter of the curr - 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?
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