- A0.7
- B65%
- C
- D0.55
Step-by-Step Solution
Convert all to decimals: 0.7 = 0.70; 65% = 0.65; ; 0.55 = 0.55. The largest is 0.7.
Answer: A) 0.7
Which of the following is the largest value?
Class 7Comparing QuantitiesComparing Quantities
Key idea: Three forms of the same number
Fractions, decimals, and percentages are three notations for the same idea. Convert freely:
- **Fraction → percentage**: multiply by 100. .
- **Percentage → fraction**: divide by 100 and simplify. .
- **Decimal → percentage**: shift two places right. 0.34 = 34%.
- **Percentage → decimal**: shift two places left. 8% = 0.08.
With practice, this becomes automatic and you can move between forms without thinking.
- **Fraction → percentage**: multiply by 100. .
- **Percentage → fraction**: divide by 100 and simplify. .
- **Decimal → percentage**: shift two places right. 0.34 = 34%.
- **Percentage → decimal**: shift two places left. 8% = 0.08.
With practice, this becomes automatic and you can move between forms without thinking.
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