Equations practice problems - page 200 of 241
Number of problems found: 4815
- Percent
Calculate how much % is the number 26.25 less than the number 105. - Even / odd numbers
a / Using variable n, write two consecutive odd numbers. b / The sum of three consecutive odd numbers is 333. What are these numbers? - Fraction equation
Solve the equation: 5-y / 3-6-4y / 5 = 0 - Rectangle area
The circumference of the rectangle is 22 cm, and one side is 3 cm shorter than the other. What is the area of this rectangle? - Father and sons age
The father is 56 years old, and his sons are 25 and 19 years old. How long will the father be as many as his sons together? - Feeding and selling
Of the 825 tons, the first part goes for feeding, the second for sale. How many tonnes are intended for feeding if this part makes up 65% of the second part? - Unknown number
Find an unknown number: (9 + y) x 6 = 12 x 7 y =? - Class trip
Until VII. B class girls and 15 boys. All the girls and 13 boys went on a trip. It was a total of 92% of the students in the class. How many girls go to VII? B? - Grandchildren ages
To the question: How old are your two grandchildren? The grandfather answers: if I add their sum to the product of the numbers that determine their age, I get 14. How many years have grandfather's grandchildren? Think only for years. - Number puzzle
I think the number. If you multiply it by seven and add 3 to the product, you get 80. What number do I think? - Grandfather age
Dasha asked her grandfather, a good accountant, how old he was. He said: If you add 5 to my number of years and divide this sum by six, you will get the same result as subtracting 6 from my number of years and dividing this difference by five. How old is - Number sequence
Five natural numbers are given, each of which is a triple of the previous one. The largest number is bigger by 1152 than the middle number in this series. From these five numbers, determine the first number. - Fraction addition
Which same integer must we add to the reader and the denominator of the fraction 37/73 so that the fraction equals one-half? - Investment ratio
Three entrepreneurs decided to invest in a joint project in a ratio of 4:5:7. The largest deposit was € 3,430. How many euros did they invest together? - Wood for paper
50% of pulp is obtained from wood and 60% from paper. How much wood is needed to make 100 tons of paper? - Price reduction The washing machine originally cost 450 €, but the shop reduced it by 12%. After the second discount, it cost € 364.32. What percentage did it reduce for the second time?
- Book pages
Erik read one-fifth of the book yesterday. Today he read one-sixth of the book. He has 38 pages to read. How many pages does the whole book have? - School distance
David goes to school by bike and says: "If I go 300 meters further than two-fifths of the way to school, I have just walked one kilometer of the way." How far is David from home to school? - Number property Which number has the property that if we subtract from its five times increased by five and its three times reduced by 3, we get the original number again?
- Dice points
Three dice throw a total of 12. Green has two times more than red. Blue is two times less than green. How many points are on each cube?
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