Changing fractions into percentages without a calculator

Changing fractions into percentages without a calculator. A. When the bottom number is less than 100, multiply top and bottom by a number to make the bottom number 100. Example: 2 × 4 = 8 = 8% . 25 × 4 100 1. 4 . 5 2. 11 . 50 3. 7 . 50 4. 13 . 50 5. 9 . 10 6. 9 ................
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