A number is as much greater than 21 and is less than 71. The number is?
3 answers
x-21 = 71-x
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Let the no. be x.
Therefore, By the given condition.
21 < x < 71
Therefore, 21+x=71-x
≈ x+x = 71-21
≈ 2x=50
≈ x=50/2
≈ x=25
Now as mentioned the no.is greater than 21 and less than 71
We can add 25 to 21 or subtract 25 from 71 to get the number
≈ no.= 21+25 =46
Or
≈no.=71-25=46
Therefore, By the given condition.
21 < x < 71
Therefore, 21+x=71-x
≈ x+x = 71-21
≈ 2x=50
≈ x=50/2
≈ x=25
Now as mentioned the no.is greater than 21 and less than 71
We can add 25 to 21 or subtract 25 from 71 to get the number
≈ no.= 21+25 =46
Or
≈no.=71-25=46