



Can the unitary method be used for both direct and inverse variations?
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what is unitary method
- If the simple interest on a certain sum for 2 years at 5% per annum is $100, what is the principal amount using the unitary method (considering 1% interest for 1 year as a unit)?
- If a train travels 100 km in 2 hours, what is its speed using the unitary method?
- How can you determine if a problem involves direct or inverse variation?
- How can the unitary method be used to find a missing value in a proportion?
- How can the unitary method be used in problems involving ratios in mixtures?
- In a mixture of 50 liters of juice, the ratio of fruit pulp to water is 3 2. How much fruit pulp is there in the mixture using the unitary method?
- If a car travels 400 km on 20 liters of fuel, what is its fuel efficiency in km per liter using the unitary method?
- If an item costing $20 is sold for $25, what is the profit percentage using the unitary method (considering the cost price as 100 units)?
- How can the unitary method be used to solve problems involving time zones and travel duration?
- How can the unitary method be used in problems involving currency exchange rates?
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