18 5 / 72 25 ∗ 100% = 18 5 ∗ 25 72 ∗ 100% = 18 ∗ 25 5 ∗ 72 ∗ 100% = 2 ∗ 5 1 ∗ 8 ∗ 100% = = 1 8 ∗ 10% = 8 ∗ 10% = 80%
To find what percentage 18 5 is of 72 25 , divide the first fraction by the second and multiply by 100. The calculation shows that 18 5 is 80% of 72 25 .
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