Two-fifths of one less than a number is less than three-fifths of one more than that number. what numbers are in the solution set of this problem?
x < -5
x > -5
x < -1
x > -1

Let us say, the number is "a"

one less than "a" is ... well a - 1
2/5 of that will be... well, 2/5 * ( a - 1)

one more than "a" is... well a + 1
3/5 of that is.. hmmm 3/5 * (a + 1)

now, we're told that, the first expression is "less than" the second one, thus



solve for "a", or make it "x" if you wish, same thing anyway

Ithink the answer is c just trying to others

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