Ratio + functions - practice problems - page 68 of 71
Number of problems found: 1402
- Book
To number pages of the thick book, the printer used 4201 digits. How many pages has this book? - Expansion
If one side of the rectangle is larger 2-times and the second 4-times, what percentage increases the area of the rectangle? - Floor
The room's floor area is 31 m² and has a width of 4.3 m. How many centimeters of circumference measured the floor on the map at the scale 1:75? - Bureau of Labor
Bureau of Labor is a state institution that provides mike and the rest for their so-called clients. The mission of the Bureau of Labor is to spend taxpayer money to provide relaxation and benefits to those who do not want to work. Popularly speaking, the
- Daily average
Calculate the average temperature during the day, when 14 hours were 24 °C and 10 hours was 14 °C. - Car - simple
Car is traveling 77 km per hour. How long distance does it travel in 1 minute? - Potatoes
Potatoes contain 77% starch. How many potatoes need to obtain 61.2 kg of starch? - Map
Forest has an area of 36 ha. How much area is occupied by forest on the map at scale 1:500? - Inflation
What is better for people (employees)? ...
- Pipeline
How much percent has changed (reduced) the pipe cross-section area if the circular shape changed to square with the same perimeter? - Money
Everyone complains about the lack of money. There is no shortage of money but a relative scarcity of goods and things people buy for the money. Calculate what percentage of the price of all goods and services immediately rose if everyone has the day-to-da - Pumps
The tank is filled with two pumps in 16 minutes. The first pump is filled in 30 minutes earlier than the second one. How many minutes is filled with the first pump? - Center traverse
Does the middle traverse indeed bisect the triangle? - Ratio v2
Decrease in the ratio 12:16 number 13.2.
- Ratio
Increase the number 25.6 in the ratio 7:4. - Pipes
The water pipe has a cross-section 1184 cm². An hour has passed 743 m³ of water. How much water flows through the pipe with cross-section 300 cm² per 6 hours if water flows at the same speed? - Gear wheels
Two gear wheels, which fit together, have the number of teeth z1=117 and z2=70. Calculate the speed of the first wheel if the second wheel rotates 582 revolutions per minute. - Minute angle
Find the size of the angle, which takes a minute hand for 20 minutes. - Tree trunk
Calculate the average tree trunk with a circumference of 192 cm.
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