To make 24 using the numbers 21, 14, 2, and 2, you can use the following mathematical operations: 21 - 14 = 7, 7 + 2 = 9, and 9 + 2 = 11. Then, multiply 11 by 2 to get 22. Finally, add 21 to 22 to get 24.
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To determine if the ratios 14:21 and 24:36 are equivalent, we can simplify both fractions. The fraction 14:21 simplifies to 2:3 (by dividing both terms by 7), while 24:36 simplifies to 2:3 as well (by dividing both terms by 12). Since both ratios simplify to the same value, 14:21 is equivalent to 24:36.
5x2=10 2x7=14 10+14=24
7x2=14-2=12x2=24 [(7x2)-2]x2=24
70/240, 70000/240000, 707/2424 are three examples.
14/21 = 14÷7/21÷7 = 2/3