Equations practice problems - page 154 of 239
Number of problems found: 4780
- 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? - Kilometers 5928
The tourist traveled 78 km in three hours. For part of the journey, he traveled by bus at an average speed of 30 km/h, and for the rest, he walked at an average speed of 6 km/h. How long did he walk, and how many kilometers did he walk? - Tourist 5910 The tourist went on a hike of 8 hours at a speed of 5 km/h. At 9:30, a cyclist set off behind him at a speed of 30 km/h. When will they meet?
- Turners
Two turners perform joint work in 3 hours. The first-turner would perform the job himself in 7 hours. How long would the same job last for a second-turner if he worked alone? - Cinema tickets
Cinema sold 180 tickets this Thursday, which is 20%. Monday 14%, Tuesday 6%, Wednesday 9%, Friday 24%, Saturday 12%, and Sunday 15%. How many tickets were sold per week? - Increased 5906
The number z increased by 20, which is 40% larger than the number z. Determine the number z. - Proportion 5904
A kilogram of one kind of nut is sold for 130 CZK. A kilogram of another type of nuts for 250 CZK. In what proportion are the two kinds of nuts mixed in a mixture whose price is CZK 220 per kilogram? - Mixture 2
How many liters of water must be added to 7 liters of a 20% solution to obtain a 10% solution? - Equation 5900 Adam, Cyril, and Boris have a total of 102 CZK. How many crowns does Adam have, how many Boris and how many Cyril, if all three have the same when: a) Adam gives three crowns to Cyril b) Boris will give half of his money to Cyril c) Adam will give a third
- The train
The train passed the observer in the 20s and passed through a 1500m tunnel in 2 minutes. Calculate the speed (km/h) and train length.
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