Equations practice problems - page 80 of 249
Number of problems found: 4965
- Candy mixture price
They want to buy a mixture of candies for the confectionery, which consists of fruit candies at CZK 170/kg and chocolate candies at CZK 240/kg. The mixture should be 20 kg for 212 CZK/kg. How many fruit candies and how many chocolate candies must he buy? - Marble sharing ratio
Four boys shared 100 marbles. The second received 20% more than the first, the third received 20 more bullets than the first, and the fourth received 0.8 times more bullets than the first. How many marbles did each boy get? - 540 pupils
Five hundred forty pupils enrolled in the school group, which is a fifth more than the group's capacity. How many pupils is the capacity of the group? - Theater ticket discount
The ticket to the theater was discounted by 10%, and after the discount, it cost 306 CZK. What was the original price? - Consecutive odd sum
The sum of three consecutive odd numbers is 183. What is the largest of them? - Two geometric progressions
Insert several numbers between numbers 6 and 384 so that they form with the given GP numbers and that the following applies: a) the sum of all numbers is 510 And for another GP to apply: b) the sum of entered numbers is -132 (These are two different geome - Fence painting time
A single person would paint a fence in 6 hours with a roller. How long would it take him to paint the wall with a brush if you know that two people, one with a meeting and the other with a roller, were done in 5 hours? - Quarry cleaning time
It takes Matt 12 hours to clear the wreckage, and his friend Kubko only 8 hours. Kubko started cleaning the quarry only after Matt had already been working on the quarry for two hours. When did Matt and Kubek finish cleaning the quarry when Matt started a - Animal heads and feet
When hunting hares and pheasants, hunters calculated that the animals caught had 36 heads and 100 feet. How many hares and how many pheasants do they catch? - Mathematics letter puzzle
Solving the problem of substituting letters with numbers in the word MATHEMATICS: MAT + EMA = TIK - Candy sharing puzzle
Peter has three times as many candies as his friend Matt. When Pete's brother Frank took four candies from each of them, Peter had five times as many as Matt. How many candies does Peter have now? - Function graph point
Determine the number and in the function y = ax-2 if its graph passes through point A (1, -4). - Geometric progression members
We get three consecutive GP members if we subtract the same number from 33, 45, and 63. Determine this GP and calculate its fifth member. - GP - three members
Insert three numbers between the roots of the equation 4x² - 17x + 4 = 0 so that they form with the given GP numbers. - GP - edge lengths
The block edge lengths are made up of three consecutive GP members. The sum of the lengths of all edges is 84 cm, and the volume block is 64 cm³. Determine the surface of the block. - A fraction
I think of a fraction. If we increase its numerator and denominator by one, the value of the fraction increases by one-tenth. What fraction do I think? - The carpenters
The carpenters cut the beam. Half of the cut pieces were 1 meter long, a quarter of the pieces were two meters long, and they cut the remaining 8 meters of the beam into two equal parts. - What was the length of the original beam? - What part of the origi - Vineyard spraying time
They have 3 sprayers for the chemical treatment of the vines. The first would spray the vineyard in 12 hours, the second in 15 hours, and the third in 10 hours. How long would it take to spray the vineyard with all the sprayers combined? - Parking lot vehicles
Three hundred and fifty-four cars arrived at a car park in the morning. The number of passenger cars was 5 times the number of vans. How many cars and vans came to the car park? - Karel money puzzle
Carl said to George: If you had 50 Euros less than twice the money I had with me, you would have 10 Euros more than I did. How many Euros did Carl have?
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