Equations practice problems - page 192 of 213
An equation is a statement that asserts the equality of two expressions, which are connected by the equals sign =. Solving an equation containing variables consists of determining which values of the variables make the equality true. The variables for which the equation has to be solved are also called unknowns, and the values of the unknowns that satisfy the equality are called solutions of the equation.Number of problems found: 4246
- Mushrooms
For five days, we collected 410 mushrooms. Interestingly, we collected ten mushrooms more every day than the preceding day. How many mushrooms have we collected during the 4th day? - Vacation
Smiths paid a deposit for a vacation of two-sevenths of the total price of the vacation. They then also paid € 550. How much cost their vacation? - Raffle
How many raffle tickets must be purchased by Peter in a raffle with issued 200 tickets if he wants to be sure to win at least a third price? The raffle draws 30 prices. - Three-fifths 1651
Anna bought something for one-third of her savings. She spent three-fifths of the remaining money on her parents' gifts. She has 400 euros left now. How many euros did she save before spending?
- School
The school attends 792 children, boys and girls ratio is 4:5. How many more girls go to school (than boys)? - One-third
A one-third of an unknown number is equal to five times as great as the difference between the same unknown number and the number 28. Find the unknown number. - Timeage
Seven times my age is 8, less than the largest two-digit number. How old am I? - Construction 1639
A group of masons had to finish the rough construction within three days. On the first day, they completed a third of this task, but on the second day, they were delayed and did 15% less work than the first day. By what % relative to the second day must t - The plan
Students have collected 48 kg of paper, which is 16% of the plan. How many kilograms of paper still have to collect to fulfill the plan?
- Remainder 1634
The work crew will excavate 1/4 of the channel on the 1st day, and 1/2 of the remainder on the 2nd day. Third day 1/3 of what she dug the second day. What part of the canal in km still needs to be dug after the third day, if the length of the canal is 72 - 7 roses
Peter buys seven roses. When he paid for them, he had 4 euros left. If he had bought five roses, he would have 40 euros left. How many euros did Peter have before the purchase? - Difference 1632
The difference between the two numbers is 7. Their product 144. What are the numbers? - Reduced 1631
Three times the number reduced by 10 is as much as 100, as 100 is more than twice that. What is the number? - Unknown number 5
I think of an unknown number. If we enlarge it five times, then subtract 3, and the result decreases by 75%, we get one greater than the number. What number am I thinking?
- Store
Peter paid 3 euros in store, more than half the amount on arrival at the store. When he left the shop, he remains 10 euros. How many euros does he have upon arrival at the store? - Difference 1628
If I add the ratio, the product, the difference, and the sum of the unknown number and the number 2, I get the number 72. What is this unknown number? - Candy
Peter had a sachet of candy. He wanted to share it with his friends. If he gave them 30 candies, he would have 62 candies. If he gave them 40 candies, he would miss eight candies. How many friends did Peter have? - Bakery and flour
The baker filled the bakery tray with flour to 3/4 volume. After removing 875 kg of flour, he filled it to only 2/5 of the volume. How many tons of flour is in the full tray? - Stamps and albums
Michail has in three albums stored 170 stamps. In the first album, there are 14 more than in the second, and in the second is by 1/5 less than in the third. How many stamps are in the first album?
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