Let the number be x. The equation representing the problem is (2/5)x = 10. To solve for x, we multiply both sides by the reciprocal of 2/5, which is 5/2. This gives us x = 10 * (5/2) = 25. Therefore, the number is 25.
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two fifths
two fifths of 25 is 10
Two-fifths of 10 can be calculated by multiplying 10 by 2/5. This can be simplified to 10 * 2/5 = 20/5 = 4. Therefore, two-fifths of 10 is equal to 4.
Ten fifths make two wholes.
10