Expression of a variable from the formula - practice for 10 year olds - last page
Number of problems found: 49
- Rectangular 4184
The rectangular plot has sides 20m and 28m long. Calculate the area of the rhizome and find out how long the longer side of the plot with the same area must be if the shorter side is 16 meters long. Also, calculate the length of the fence around each rhiz - Apples 5
In six crates are 45 kg of apples. Five crates were the same amount, and in the sixth crate were 3 kg more apples. How many kilograms of apples were in each crate? - Product 2873
Which number is five times less than the product of the numbers 15 and 7? - Creases 2795
Three punch cuts cost as much as two creases. How much does it cost if five punch cuts cost 2 euros 50 cents?
- Value
Determine the value of the following expressions: a) (23-25)·(4-5) b) (97-123):(18+8) - Floor
The rectangular floor of the living room has a length of 5.4 meters and a circumference of 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 each row with 15 seats. The ticket to the first 7 rows is for 26 EUR. The next row is for 13 EUR. The theater was completely sold out. Revenue was 5850 EUR. 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.
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