Equations practice problems - page 204 of 239
Number of problems found: 4768
- Technical 2617
Pupils work in groups of two on technical work in the school to make a birdhouse. If Tomáš worked alone, he would make the booth in 4 hours. Richard would do it in 2 hours. If they work together, how many hours will it take them to complete it? - Vegetable 2616
Danka was supposed to dig a vegetable patch in the garden. She would have carved it in 1.5 hours if she had worked alone. If her sister Hanka were to cut it alone, she would carve it in 0.75 hours. How long would it take them to weed the garden together? - Boots
Master shoemaker has three apprentices. First, do one pair of boots for two days, second for one day, and third for 1.5 days. How long would it take to make a couple of boots if they worked together? - O'clock 2614
One pump fills the school pool in 15 hours. The school bought another pump that would fill the pool in 10 hours. What is the latest time to start filling the pool if they want to have it filled at eight o'clock in the morning and use both pumps? - Classmate 2613
Juro didn't have a watch, so he asked a classmate for the exact time. Simon looked at the clock and said: "If my watch were 22 minutes late, it would be 11:54. But it's not that much because my watch doesn't miss; it goes 22 minutes ahead". What time was - Forgets 2612
It happens to Dorothy that when filling the bath with water, she forgets to put a plug in the drain. The bath would fill up in 20 minutes if the drain were blocked. A full tub would be emptied through the drain in 30 minutes. How long will it take Dorothy - Determine 2611
1. Determine a number with the same result if we multiply it by ten as if we add 10 to it. 2. Věra is twice as old today as her sister Jitka. In five years, Jitka will be only 1/3 years younger than Věra. How old are Věra and Jitka today? 3. Find the pair - Novak
Novak needed to dig up three of the same pit in the garden. The first pit was dug father alone for 15 hours. His second dig son helped him, and it did that in six hours. The third pit was dug son himself. How long does it take him? - Bricks II
3/4 bricks weigh 6 kg and 2/3 bricks. How weighs one whole brick? - Cyclist
The cyclist rode two-fifths of the way the first day. On the second day drove 5 km less while traveling three-eighths of the route. How many kilometers does he have to finish the target? - Inspected 2607
The worker checked 4,950 products in three days. He inspected 25% more products on the second day than on the first day. He inspected 16% fewer products on the third day than on the second day. How many products did he check on each day? - Inscribed circle
Write the equation of an incircle of the triangle KLM if K [2,1], L [6,4], M [6,1]. - Equation 2604
The given triangle is ABC: A [-3; -1] B [5; 3] C [1; 5] Write the line equation that passes through the vertex C parallel to the side AB. - Banknotes
$ 1390 was collected. How much was in $20 notes, and how many in $50 notes in that order? How many solutions exist? - Cat
Half of the rest postpone a new smartphone for one-fifth of the monthly pocket money contributed to Maros for food for his cat. The remaining € 8 is spent. How much pocket money gets Maros a month? - Square
The square's side length decreases by 25%, and its area is now 28 cm22 lower. Find the side of the original square. - Candies 2597
Two bars and one candy cost 24 CZK. Two candies and one bar cost CZK 27. How much does candy cost? - Shoes and slippers
Shoes were three times as many as slippers. If shoes were cheaper by 120, they would be twice as expensive as slippers. How much did the shoes cost, and how much did the slippers? - Trucks
The truck takes you some amount of clay in 30 hours. The second truck takes the same amount of clay in 40 hours. Trucks carted the clay away some time together, then the second truck broke down, and the first one completed the job in five hours. What time - Two-fifths 2589
The cycling stage rises on two-fifths of the length of the route and decreases to 2/8. The rest of the stage is flat. How many km does the stage measure if the ascent is 4 km longer than the descent?
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