Unit conversion + functions - practice problems
Number of problems found: 478
- A road
A road on a map measures 8cm long. The scale of the map is 25000. Calculate the actual length of the road - Map scale
On a map, on a scale of 1:50000, what is the distance in kilometers that 6 cm on the map represents? - Nautical vs statue mile
A nautical mile is the unit of length used in sea and air navigation. A nautical mile is equal to 6,076 feet. What percent of a statue mile (5,280 ft) is a nautical mile? - Salt water
The ratio of water (in liters) to salt (in grams) needs to be 3 to 2. If we add 10 grams of salt, how much water do we need to add?
- David 5
David was riding his bicycle at a speed of 26.5 kilometers per hour (km/h). Use the fact that 1 kilometer is approximately equal to 0.6214 miles to convert this speed to miles per hour (mile/h) - Passenger 18
Passenger and freight trains are operated between stations I and II, where the distance between stations is 16 km. The speed of the passenger trains is 100km/h, and the speed of the freight trains is 60km/h for a single-line railway track. The waiting tim - A park on map
A park has an area of ⅙ mi². On a map, the park has an area of 1 ¼ cm². On the map, how many square centimeters represent 1 mi²? - Using 4
Using the law of cosines, find the measurement of leg b if the givens are B=20°, a=10, and c=15. - Percentage 5780
What percentage of 1m is 15cm?
- Minutes 6069
How many minutes is 60% of two hours? - Percentage 3138
What percentage are 720 liters of 6m³? - Increase 81782
What ratio must we increase to 1 m to get 1 m 50 cm? - Kilograms 23581
How many kilograms is 24% of 30 tons? - Map 3
Map scale is M = 1: 20000 . Two cottages which are shown on the map are actually 20 km away. What is its distance on the map?
- Kilometers 5008
If the city is far from the city and is 15 kilometers long, and the scale of the map is 1:300000, what is the distance on the map? - The silver
The silver ring weighs 10 grams. The ring contains 850 per mille of pure silver. Calculate the amount of pure silver in grams. - Quarter of an hour
If the clock showed a quarter of an hour more, it would be 10 minutes to 10 hours. How many hours do they show? - Permille of alcohol
I have 2 per mille of alcohol in my blood. How many milliliters is it when I have 5 liters of blood? - Kilometers
The scale of the map is 1:100,000. How long is the road, which is 4.7 cm long on the map, really long?
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