one fifth of a number is 20 less than the number find the number
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The correct answer is 25.
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Let the no. be x
A.T.Q.
1/5 × x = x - 20
=> x/5 = x - 20
=> x/5 - x = -20
=> (x - 5x)/5 = -20
=> x - 5x = -20 × 5
=> -4x = (-20 × 5)
=> x = (-20 × 5)/-4
=> x = 5 × 5
=> x = 25
the given no. is 25.....
hope this helps u...
A.T.Q.
1/5 × x = x - 20
=> x/5 = x - 20
=> x/5 - x = -20
=> (x - 5x)/5 = -20
=> x - 5x = -20 × 5
=> -4x = (-20 × 5)
=> x = (-20 × 5)/-4
=> x = 5 × 5
=> x = 25
the given no. is 25.....
hope this helps u...
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