Fractions + direct relationship - practice problems - last page
Number of problems found: 165
- Scale of the map
The distance between the two cities is actually 30 km, and the map is 6 cm. What is the scale of the map? - 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? - Distance 7296
The cyclist covered a certain distance in 9 hours. How many hours does a car need to travel four times more if it moves three times faster? - TV fail
The TV has average 30 failures after 10,000 hours. Find the probability of TV failure after 300 hours of operation.
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