# Expression of a variable from the formula - 5th grade (10y) - math problems

#### Number of problems found: 17

• Average price
Sixth grade went on a trip to Moravia. Each of the 26 pupils paid CZK 320, and the school paid a total of CZK 3,510. What was the average price of a trip per student?
• An equilateral triangle
The perimeter of an equilateral triangle is 33cm. How long is each side?
• Number of songs
Write an expression for the number of songs they need for this show. Evan and Peter have a radio show that has 2 parts. They need 4 fewer than 11 songs in the first part. In the second part, they need 5 fewer than 3 times the number of songs in the first
• Eggs
3400 eggs sliced hens for February and March. We have to calculate how many hens can make 3400 eggs when one hen give 2 eggs a day for 59 days.
• Wine
A bottle of wine costs 21 euros; and wine is 20 times more expensive than a bottle. How much a bottle cost?
• Euros
Peter spent a quarter of his pocket saving. He has 9 euros now in his wallet. How many euros spent?
• Perimeter from area
What is the perimeter of the square if its content is 64 cm2?
• MO-Z5-3-66 tiles
The picture shows a square tiles with side 10 dm which is composed of four identical small rectangles and squares. Circumference of small square is five times smaller than the circumference of the entire tile. Determine the dimensions of the rectangle.
• Apples 5
In six crates are 45 kg of apples. In five crates were the same amount and in one crate was 3 kg of apples more. How many kg of apples were in each crate?
• Value
Determine the value of the following exspressions: a) (23-25)·(4-5) b) (97-123):(18+8)
• Floor
Rectangular floor of living room has a length 5.4 meters and a circumference 17.2 meters. What is its width?
• Fence
The square garden has an area of 537 m2. How many meters is netting necessary to fence the garden?
• Theater
The theater has in each row with 19 seats. Ticket to the first 10 rows is for 30 USD. In the next rows is for 15 USD. The theater was completely sold out. Revenue was 12255 USD. How many rows are in the theater?
• Playground
The rectangular playground is fenced with 38 m long netting. Its width is 7 m. Calculate its length.
They brought in d two kilos and t three kilos of bread to the store. By the end of the day, 14 two-kg bread were sold. How many kilos of bread remained in the store by the next day?
• A number 2
A number decreased by the difference between four and the number.
• A dumpster
A dumpster is shaped like a rectangular prism. It has a width of 8 feet, a height of 5 feet, and a volume of 880 cubic feet. What is the length of the dumpster?

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Expression of a variable from the formula - math problems. Examples for 5th grade (the fifth graders).