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Describe how two ratios can form a propo...

Describe how two ratios can form a proportion.

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  1. Describe how two ratios can form a proportion.

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  2. Give three ratios equivalent to 12 : 24.

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  3. Explain why the ratios 2 : 4 and 6 :10 do not form a proportion.

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  4. Give an example of two ratios that are proportional and have numerator...

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  5. The speed of a Garden-Snail is 50 meters per hour and that of the Chee...

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  6. Determine the ratios that are nearly equivalent to each of the followi...

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  7. Describe how to find 35% of a number when you know 10% of the number.

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  8. Explain whether a 150% increase or a 150% decrease is possible.

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  9. Compare finding a 20% increase for finding 120% of a number.

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  10. Show Rs. 25 as a part of a 100 rupee note in terms of (1) a reduced fr...

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  11. Explain how you can find a fraction, decimal, or per cent when you hav...

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  12. Show why 5% of a number is less than 1/10 of the number.

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  13. Demonstrate two ways to find 70% of a number.

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  14. Name fractions in simplest form that are the same as 40% and as 250%.

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  15. Compare finding a number when a per cent of the number is known to fin...

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  16. Explain whether a number is greater than or less than 36, if 22 per ce...

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  17. Explain the meaning of each variable in the interest formula.

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  18. Tell what value should be used for time 't' in years when referring to...

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  19. Name the different variables in the simple interest formula.

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  20. Demonstrate that doubling the time while halving the interest rate res...

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