Use the value of the ratio to determine which ratio is equivalent to 7:15.
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21:4514:453:57:22
To determine which ratio is equivalent to 7:15, we need to find a ratio with the same value. The value of a ratio can be found by dividing the first number by the second number.
For the given ratio 7:15, the value is 7/15.
Let's compare the value of this ratio to the values of the other ratios:
21:45 --> value is 21/45
14:45 --> value is 14/45
3:5 --> value is 3/5
7:22 --> value is 7/22
Since the value of the ratio 7:15 is not equal to the values of any of the other given ratios, none of these ratios are equivalent to 7:15.